diff --git a/contract/i18n/am.po b/contract/i18n/am.po
index 43b182334..62d836495 100644
--- a/contract/i18n/am.po
+++ b/contract/i18n/am.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/ar.po b/contract/i18n/ar.po
index 34252f5db..cf31556a6 100644
--- a/contract/i18n/ar.po
+++ b/contract/i18n/ar.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/bg.po b/contract/i18n/bg.po
index 44f35b7bf..f82186559 100644
--- a/contract/i18n/bg.po
+++ b/contract/i18n/bg.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/bs.po b/contract/i18n/bs.po
index aceec6e9a..21912ee8e 100644
--- a/contract/i18n/bs.po
+++ b/contract/i18n/bs.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1104,7 +1104,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1329,7 +1329,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1340,7 +1340,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1435,7 +1435,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1526,7 +1526,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/ca.po b/contract/i18n/ca.po
index d4bcc6ae3..d47264de6 100644
--- a/contract/i18n/ca.po
+++ b/contract/i18n/ca.po
@@ -355,7 +355,7 @@ msgid "Cancel allowed?"
 msgstr "Es permet cancel·lar?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -527,7 +527,7 @@ msgstr ""
 "Línia de Contracte '%s' la data d'inici no pot ser posterior a la data de fi"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -545,13 +545,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -561,7 +561,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -573,7 +573,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -585,7 +585,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -597,7 +597,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr "La línia de Contracte ha de ser cancel·lada abans d'esborrar-la"
@@ -608,7 +608,7 @@ msgid "Contract lines"
 msgstr "Línies de Contracte"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1190,7 +1190,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1415,7 +1415,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1426,7 +1426,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1521,7 +1521,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1612,7 +1612,7 @@ msgid "Year(s)"
 msgstr "Any(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/cs.po b/contract/i18n/cs.po
index 1b9ad67a2..5a091578d 100644
--- a/contract/i18n/cs.po
+++ b/contract/i18n/cs.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/da.po b/contract/i18n/da.po
index cd050e93e..bafa3bbe1 100644
--- a/contract/i18n/da.po
+++ b/contract/i18n/da.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/de.po b/contract/i18n/de.po
index eb395e359..05af99c90 100644
--- a/contract/i18n/de.po
+++ b/contract/i18n/de.po
@@ -362,7 +362,7 @@ msgid "Cancel allowed?"
 msgstr "Abbrechen erlaubt?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr "Das Abbrechen für diese Zeile ist nicht erlaubt."
@@ -535,7 +535,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "Vertragsbeginn '%s' darf nicht nach dem Vertragsende liegen"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr "Vertragsposition Storno aufgehoben: %s<br/>- "
@@ -553,13 +553,13 @@ msgid "Contract line and its successor overlapped"
 msgstr "Die Vertragsposition und dessen Nachfolger überlappen sich."
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr "Die Vertragsposition wurde abgebrochen: %s<br/>- "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -573,7 +573,7 @@ msgstr ""
 "                            "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -591,7 +591,7 @@ msgstr ""
 "                    "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -609,7 +609,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -627,7 +627,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -639,7 +639,7 @@ msgid "Contract lines"
 msgstr "Vertragspositionen"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1231,7 +1231,7 @@ msgid "Plan successor allowed?"
 msgstr "Nachfolger planen erlaubt?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr "Nachfolger planen für diese Position nicht zulässig"
@@ -1460,7 +1460,7 @@ msgid "Stop allowed?"
 msgstr "Beenden erlaubt?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr "Beenden für diese Position nicht zulässig"
@@ -1471,7 +1471,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr "Nachfolger beenden/planen erlaubt?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr "Nachfolger beenden/planen in dieser Position nicht zulässig"
@@ -1568,7 +1568,7 @@ msgid "Un-cancel"
 msgstr "Stornoaufhebung"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr "Stornoaufhebung für diese Position nicht zulässig"
@@ -1659,7 +1659,7 @@ msgid "Year(s)"
 msgstr "Jahr(e)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/el_GR.po b/contract/i18n/el_GR.po
index 4d7e422d3..872c1c716 100644
--- a/contract/i18n/el_GR.po
+++ b/contract/i18n/el_GR.po
@@ -291,7 +291,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -454,7 +454,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -472,13 +472,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -488,7 +488,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -500,7 +500,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -512,7 +512,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -524,7 +524,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -535,7 +535,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1108,7 +1108,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1333,7 +1333,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1344,7 +1344,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1439,7 +1439,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1530,7 +1530,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/en_GB.po b/contract/i18n/en_GB.po
index 77daab837..ae292762d 100644
--- a/contract/i18n/en_GB.po
+++ b/contract/i18n/en_GB.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es.po b/contract/i18n/es.po
index 5a7c01b79..dba2295e4 100644
--- a/contract/i18n/es.po
+++ b/contract/i18n/es.po
@@ -357,7 +357,7 @@ msgid "Cancel allowed?"
 msgstr "Cancelar permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr "Cancelar no permitido para esta línea"
@@ -528,7 +528,7 @@ msgstr ""
 "fecha de fin"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr "Línea de contrato no cancelada: %s<br/>- "
@@ -546,13 +546,13 @@ msgid "Contract line and its successor overlapped"
 msgstr "Línea de contrato y su sucesor superpuestos"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr "Línea de contrato cancelada: %s<br/>- "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -566,7 +566,7 @@ msgstr ""
 "                            "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -584,7 +584,7 @@ msgstr ""
 "                    "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -602,7 +602,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -620,7 +620,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr "La línea del contrato debe cancelarse antes de eliminar"
@@ -631,7 +631,7 @@ msgid "Contract lines"
 msgstr "Líneas de contrato"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1222,7 +1222,7 @@ msgid "Plan successor allowed?"
 msgstr "Plan sucesor permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr "El sucesor del plan no está permitido para esta línea"
@@ -1453,7 +1453,7 @@ msgid "Stop allowed?"
 msgstr "Permitir detener?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr "Detener no permitido para esta línea"
@@ -1464,7 +1464,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr "Detener / Plan sucesor permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr "El sucesor Stop / Plan no está permitido para esta línea"
@@ -1562,7 +1562,7 @@ msgid "Un-cancel"
 msgstr "Descancelar"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr "Descancelar no permitido para esta línea"
@@ -1653,7 +1653,7 @@ msgid "Year(s)"
 msgstr "Año(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr "No puede retrasar una línea de contrato facturada al menos una vez."
diff --git a/contract/i18n/es_AR.po b/contract/i18n/es_AR.po
index aa750334c..8cf289d2e 100644
--- a/contract/i18n/es_AR.po
+++ b/contract/i18n/es_AR.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_CL.po b/contract/i18n/es_CL.po
index 273a31d15..c96c90762 100644
--- a/contract/i18n/es_CL.po
+++ b/contract/i18n/es_CL.po
@@ -349,7 +349,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -512,7 +512,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -530,13 +530,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -546,7 +546,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -558,7 +558,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -570,7 +570,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -582,7 +582,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -593,7 +593,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1162,7 +1162,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1387,7 +1387,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1398,7 +1398,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1493,7 +1493,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1584,7 +1584,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_CO.po b/contract/i18n/es_CO.po
index 2d057d943..83ba30b1f 100644
--- a/contract/i18n/es_CO.po
+++ b/contract/i18n/es_CO.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1102,7 +1102,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1327,7 +1327,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1338,7 +1338,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1433,7 +1433,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1524,7 +1524,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_CR.po b/contract/i18n/es_CR.po
index 311cd59a2..2897f5fda 100644
--- a/contract/i18n/es_CR.po
+++ b/contract/i18n/es_CR.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_DO.po b/contract/i18n/es_DO.po
index 25b0bda57..414c054f3 100644
--- a/contract/i18n/es_DO.po
+++ b/contract/i18n/es_DO.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1102,7 +1102,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1327,7 +1327,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1338,7 +1338,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1433,7 +1433,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1524,7 +1524,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_EC.po b/contract/i18n/es_EC.po
index 37f0927d4..eeae5bc19 100644
--- a/contract/i18n/es_EC.po
+++ b/contract/i18n/es_EC.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1102,7 +1102,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1327,7 +1327,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1338,7 +1338,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1433,7 +1433,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1524,7 +1524,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_ES.po b/contract/i18n/es_ES.po
index 70e9d3403..54e3657f9 100644
--- a/contract/i18n/es_ES.po
+++ b/contract/i18n/es_ES.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_MX.po b/contract/i18n/es_MX.po
index fb66d5920..f5d9c92b7 100644
--- a/contract/i18n/es_MX.po
+++ b/contract/i18n/es_MX.po
@@ -291,7 +291,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -454,7 +454,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -472,13 +472,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -488,7 +488,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -500,7 +500,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -512,7 +512,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -524,7 +524,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -535,7 +535,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1108,7 +1108,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1333,7 +1333,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1344,7 +1344,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1439,7 +1439,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1530,7 +1530,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_PY.po b/contract/i18n/es_PY.po
index dbce4e2ad..21ba286d7 100644
--- a/contract/i18n/es_PY.po
+++ b/contract/i18n/es_PY.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1102,7 +1102,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1327,7 +1327,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1338,7 +1338,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1433,7 +1433,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1524,7 +1524,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/es_VE.po b/contract/i18n/es_VE.po
index b62223cec..47ff22b36 100644
--- a/contract/i18n/es_VE.po
+++ b/contract/i18n/es_VE.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/et.po b/contract/i18n/et.po
index 42ee95e11..93ec681cf 100644
--- a/contract/i18n/et.po
+++ b/contract/i18n/et.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1103,7 +1103,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1328,7 +1328,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1339,7 +1339,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1434,7 +1434,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1525,7 +1525,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/eu.po b/contract/i18n/eu.po
index 9e567b4c1..04b5d5262 100644
--- a/contract/i18n/eu.po
+++ b/contract/i18n/eu.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1101,7 +1101,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1326,7 +1326,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1337,7 +1337,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1432,7 +1432,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1523,7 +1523,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/fa.po b/contract/i18n/fa.po
index 0aa2daacd..6bc45d3b6 100644
--- a/contract/i18n/fa.po
+++ b/contract/i18n/fa.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/fi.po b/contract/i18n/fi.po
index 47c28236c..aef545ac2 100644
--- a/contract/i18n/fi.po
+++ b/contract/i18n/fi.po
@@ -290,7 +290,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -453,7 +453,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -471,13 +471,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -487,7 +487,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -499,7 +499,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -511,7 +511,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -523,7 +523,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -534,7 +534,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1107,7 +1107,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1332,7 +1332,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1343,7 +1343,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1438,7 +1438,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1529,7 +1529,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/fr.po b/contract/i18n/fr.po
index e4930689f..222f249ce 100644
--- a/contract/i18n/fr.po
+++ b/contract/i18n/fr.po
@@ -355,7 +355,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -539,7 +539,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "Le contrat '%s' ne peut pas démarrer après la date de fin"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -557,13 +557,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -573,7 +573,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -585,7 +585,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -597,7 +597,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -609,7 +609,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -622,7 +622,7 @@ msgid "Contract lines"
 msgstr "Ligne de contrat"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1231,7 +1231,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1472,7 +1472,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1483,7 +1483,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1580,7 +1580,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1673,7 +1673,7 @@ msgid "Year(s)"
 msgstr "Année(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/fr_CA.po b/contract/i18n/fr_CA.po
index b1d83c2cb..782ed910b 100644
--- a/contract/i18n/fr_CA.po
+++ b/contract/i18n/fr_CA.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/fr_CH.po b/contract/i18n/fr_CH.po
index 750e3ac27..ce52bf52b 100644
--- a/contract/i18n/fr_CH.po
+++ b/contract/i18n/fr_CH.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/gl.po b/contract/i18n/gl.po
index bd6a1adf5..6ec2c2088 100644
--- a/contract/i18n/gl.po
+++ b/contract/i18n/gl.po
@@ -353,7 +353,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -537,7 +537,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "A data de inicio do contrato '%s' non pode ser superior á data de fin"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -555,13 +555,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -571,7 +571,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -583,7 +583,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -595,7 +595,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -607,7 +607,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -620,7 +620,7 @@ msgid "Contract lines"
 msgstr "Líneas de contrato"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1228,7 +1228,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1467,7 +1467,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1478,7 +1478,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1575,7 +1575,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1668,7 +1668,7 @@ msgid "Year(s)"
 msgstr "Ano(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/gl_ES.po b/contract/i18n/gl_ES.po
index 16b0d4d57..8c6bedd34 100644
--- a/contract/i18n/gl_ES.po
+++ b/contract/i18n/gl_ES.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1102,7 +1102,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1327,7 +1327,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1338,7 +1338,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1433,7 +1433,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1524,7 +1524,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/he.po b/contract/i18n/he.po
index e886c5f80..32321b6a5 100644
--- a/contract/i18n/he.po
+++ b/contract/i18n/he.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/hi_IN.po b/contract/i18n/hi_IN.po
index acb4e3b66..8e365a24e 100644
--- a/contract/i18n/hi_IN.po
+++ b/contract/i18n/hi_IN.po
@@ -291,7 +291,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -467,7 +467,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -485,13 +485,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -501,7 +501,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -513,7 +513,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -525,7 +525,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -537,7 +537,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -550,7 +550,7 @@ msgid "Contract lines"
 msgstr "अनुबंध"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1140,7 +1140,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1369,7 +1369,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1380,7 +1380,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1477,7 +1477,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1568,7 +1568,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/hr.po b/contract/i18n/hr.po
index d66f6b64b..8d8d38862 100644
--- a/contract/i18n/hr.po
+++ b/contract/i18n/hr.po
@@ -295,7 +295,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -469,7 +469,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -487,13 +487,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -503,7 +503,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -515,7 +515,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -527,7 +527,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -539,7 +539,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -552,7 +552,7 @@ msgid "Contract lines"
 msgstr "Ugovori"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1149,7 +1149,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1380,7 +1380,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1391,7 +1391,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1488,7 +1488,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1579,7 +1579,7 @@ msgid "Year(s)"
 msgstr "Godina(e)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/hr_HR.po b/contract/i18n/hr_HR.po
index 5007038e5..a3c49fdda 100644
--- a/contract/i18n/hr_HR.po
+++ b/contract/i18n/hr_HR.po
@@ -292,7 +292,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -468,7 +468,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -486,13 +486,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -502,7 +502,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -514,7 +514,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -526,7 +526,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -538,7 +538,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -551,7 +551,7 @@ msgid "Contract lines"
 msgstr "Ugovori"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1153,7 +1153,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1390,7 +1390,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1401,7 +1401,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1498,7 +1498,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1589,7 +1589,7 @@ msgid "Year(s)"
 msgstr "Godina(e)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/hu.po b/contract/i18n/hu.po
index 337e390f8..8ca8ca420 100644
--- a/contract/i18n/hu.po
+++ b/contract/i18n/hu.po
@@ -290,7 +290,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -453,7 +453,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -471,13 +471,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -487,7 +487,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -499,7 +499,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -511,7 +511,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -523,7 +523,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -534,7 +534,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1107,7 +1107,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1332,7 +1332,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1343,7 +1343,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1438,7 +1438,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1529,7 +1529,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/id.po b/contract/i18n/id.po
index 1d3f02848..c9ca3498f 100644
--- a/contract/i18n/id.po
+++ b/contract/i18n/id.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/it.po b/contract/i18n/it.po
index 50fcd2b80..ffc3dd6d4 100644
--- a/contract/i18n/it.po
+++ b/contract/i18n/it.po
@@ -359,7 +359,7 @@ msgid "Cancel allowed?"
 msgstr "Annullamento permesso?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr "Annullamento non permesso per questa riga"
@@ -532,7 +532,7 @@ msgstr ""
 "data finale"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr "Riga contratto ri-attivata: %s<br/>- "
@@ -550,13 +550,13 @@ msgid "Contract line and its successor overlapped"
 msgstr "Riga contratto e sua seguente sovrapposte"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr "Riga contratto annullata: %s<br/>- "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -570,7 +570,7 @@ msgstr ""
 "                            "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -588,7 +588,7 @@ msgstr ""
 "                    "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -606,7 +606,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -624,7 +624,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr "La riga contratto deve essere annullata prima di essere eliminata"
@@ -635,7 +635,7 @@ msgid "Contract lines"
 msgstr "Righe contratto"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1223,7 +1223,7 @@ msgid "Plan successor allowed?"
 msgstr "Pianificazione successore permessa?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr "Pianificazione successore non permessa per questa riga"
@@ -1452,7 +1452,7 @@ msgid "Stop allowed?"
 msgstr "Arresto permesso?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr "Arresto non permesso per questa riga"
@@ -1463,7 +1463,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr "Arresto/pianificazione del successore permessi?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr "Arresto/pianificazione del successore non permessi per questa riga"
@@ -1558,7 +1558,7 @@ msgid "Un-cancel"
 msgstr "Ri-attivare"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr "Ri-attivazione non permessa per questa riga"
@@ -1649,7 +1649,7 @@ msgid "Year(s)"
 msgstr "Anni"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/ja.po b/contract/i18n/ja.po
index 57182f555..4206a2d91 100644
--- a/contract/i18n/ja.po
+++ b/contract/i18n/ja.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/ko.po b/contract/i18n/ko.po
index caa8c2e48..65d4ebb2e 100644
--- a/contract/i18n/ko.po
+++ b/contract/i18n/ko.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/lt.po b/contract/i18n/lt.po
index 4ae88175f..387d5949d 100644
--- a/contract/i18n/lt.po
+++ b/contract/i18n/lt.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/lt_LT.po b/contract/i18n/lt_LT.po
index e5320711c..0e9f3d281 100644
--- a/contract/i18n/lt_LT.po
+++ b/contract/i18n/lt_LT.po
@@ -290,7 +290,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -453,7 +453,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -471,13 +471,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -487,7 +487,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -499,7 +499,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -511,7 +511,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -523,7 +523,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -534,7 +534,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1107,7 +1107,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1332,7 +1332,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1343,7 +1343,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1438,7 +1438,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1529,7 +1529,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/lv.po b/contract/i18n/lv.po
index e27b8bec3..052682a79 100644
--- a/contract/i18n/lv.po
+++ b/contract/i18n/lv.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/mk.po b/contract/i18n/mk.po
index 0f231571a..e814e716f 100644
--- a/contract/i18n/mk.po
+++ b/contract/i18n/mk.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/mn.po b/contract/i18n/mn.po
index 681a76661..933698479 100644
--- a/contract/i18n/mn.po
+++ b/contract/i18n/mn.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/nb.po b/contract/i18n/nb.po
index 2d5af5368..53854b646 100644
--- a/contract/i18n/nb.po
+++ b/contract/i18n/nb.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/nb_NO.po b/contract/i18n/nb_NO.po
index ac08bc536..ea467b134 100644
--- a/contract/i18n/nb_NO.po
+++ b/contract/i18n/nb_NO.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/nl.po b/contract/i18n/nl.po
index b64de14c0..579742782 100644
--- a/contract/i18n/nl.po
+++ b/contract/i18n/nl.po
@@ -365,7 +365,7 @@ msgid "Cancel allowed?"
 msgstr "Annuleren toestaan?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr "Annuleren niet toegestaan voor deze regel"
@@ -538,7 +538,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "Contract '%s' startdatum kan niet later zijn dan einddatum"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr "Contractregel annuleren ongedaan gemaakt: %s<br/>- "
@@ -556,13 +556,13 @@ msgid "Contract line and its successor overlapped"
 msgstr "Contractlijn en zijn opvolger overlappen elkaar"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr "Contractregel geannuleerd: %s<br/>- "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -577,7 +577,7 @@ msgstr ""
 "                            "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -595,7 +595,7 @@ msgstr ""
 "                    "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -613,7 +613,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -631,7 +631,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr "Contractregel moet worden geannuleerd voordat deze wordt verwijderd"
@@ -642,7 +642,7 @@ msgid "Contract lines"
 msgstr "Contractregels"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1233,7 +1233,7 @@ msgid "Plan successor allowed?"
 msgstr "Opvolger plannen toegestaan?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr "Plannen opvolger niet toegestaan voor deze regel"
@@ -1464,7 +1464,7 @@ msgid "Stop allowed?"
 msgstr "Stoppen toegestaan?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr "Stoppen niet toegestaan voor deze regel"
@@ -1475,7 +1475,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr "Stoppen / Plannen opvolger toegestaan?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr "Stoppen / Plannen opvolger is niet toegestaan"
@@ -1573,7 +1573,7 @@ msgid "Un-cancel"
 msgstr "Terugdraaien van annuleren"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr "Terugdraaien van annuleren niet toegestaan voor deze regel"
@@ -1664,7 +1664,7 @@ msgid "Year(s)"
 msgstr "Jaar/Jaren"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/nl_BE.po b/contract/i18n/nl_BE.po
index d8ab21b4f..31348bffa 100644
--- a/contract/i18n/nl_BE.po
+++ b/contract/i18n/nl_BE.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/nl_NL.po b/contract/i18n/nl_NL.po
index 612c0cafb..437911b5e 100644
--- a/contract/i18n/nl_NL.po
+++ b/contract/i18n/nl_NL.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -465,7 +465,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -483,13 +483,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -499,7 +499,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -511,7 +511,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -523,7 +523,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -535,7 +535,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -548,7 +548,7 @@ msgid "Contract lines"
 msgstr "Contracten"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1138,7 +1138,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1367,7 +1367,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1378,7 +1378,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1475,7 +1475,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1566,7 +1566,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/pl.po b/contract/i18n/pl.po
index d8caffe75..13deb1136 100644
--- a/contract/i18n/pl.po
+++ b/contract/i18n/pl.po
@@ -290,7 +290,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -453,7 +453,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -471,13 +471,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -487,7 +487,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -499,7 +499,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -511,7 +511,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -523,7 +523,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -534,7 +534,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1107,7 +1107,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1332,7 +1332,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1343,7 +1343,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1438,7 +1438,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1529,7 +1529,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/pt.po b/contract/i18n/pt.po
index a756e5cc4..3d3eb2504 100644
--- a/contract/i18n/pt.po
+++ b/contract/i18n/pt.po
@@ -357,7 +357,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -541,7 +541,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "A data de início do contrato '%s' não pode ser posterior à data de fim"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -559,13 +559,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -575,7 +575,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -587,7 +587,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -599,7 +599,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -611,7 +611,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -624,7 +624,7 @@ msgid "Contract lines"
 msgstr "Linhas de Contrato"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1231,7 +1231,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1470,7 +1470,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1481,7 +1481,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1578,7 +1578,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1671,7 +1671,7 @@ msgid "Year(s)"
 msgstr "Ano(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/pt_BR.po b/contract/i18n/pt_BR.po
index 7be323272..fb5e14ab3 100644
--- a/contract/i18n/pt_BR.po
+++ b/contract/i18n/pt_BR.po
@@ -362,7 +362,7 @@ msgid "Cancel allowed?"
 msgstr "Cancelar Permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr "Não é permitido o cancelamento para esta linha"
@@ -536,7 +536,7 @@ msgstr ""
 "Data inicial '%s' da linha do contrato não pode ser maior que a data final"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr "Linha do Contrato Não Cancelada: %s<br/>- "
@@ -554,13 +554,13 @@ msgid "Contract line and its successor overlapped"
 msgstr "A linha do contrato e seu sucessora se sobrepuseram"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr "Linha do contrato cancelada: %s<br/>- "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -574,7 +574,7 @@ msgstr ""
 "                            "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -592,7 +592,7 @@ msgstr ""
 "                    "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -610,7 +610,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -628,7 +628,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr "Linha do contrato deve ser cancelada antes de ser deletada"
@@ -639,7 +639,7 @@ msgid "Contract lines"
 msgstr "Linhas de Contrato"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1226,7 +1226,7 @@ msgid "Plan successor allowed?"
 msgstr "Plano sucessor permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr "Plano sucessor não permitido para esta linha"
@@ -1457,7 +1457,7 @@ msgid "Stop allowed?"
 msgstr "Parar permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr "Parar não permitido para esta linha"
@@ -1468,7 +1468,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr "Parar/Plano sucessor permitido?"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr "Parar/Plano sucessor não permitido para esta linha"
@@ -1565,7 +1565,7 @@ msgid "Un-cancel"
 msgstr "Cancelar Cancelamento"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr "Cancelar cancelamento não permitido para esta linha"
@@ -1656,7 +1656,7 @@ msgid "Year(s)"
 msgstr "Ano(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr "Você não pode adiar uma linha de contrato faturada pelo menos uma vez."
diff --git a/contract/i18n/pt_PT.po b/contract/i18n/pt_PT.po
index 7f0b0b1a1..dda1ead02 100644
--- a/contract/i18n/pt_PT.po
+++ b/contract/i18n/pt_PT.po
@@ -292,7 +292,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -455,7 +455,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -473,13 +473,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -489,7 +489,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -501,7 +501,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -513,7 +513,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -525,7 +525,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -536,7 +536,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1109,7 +1109,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1334,7 +1334,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1345,7 +1345,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1440,7 +1440,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1531,7 +1531,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/ro.po b/contract/i18n/ro.po
index 2ef0da9d6..d2b0790fe 100644
--- a/contract/i18n/ro.po
+++ b/contract/i18n/ro.po
@@ -291,7 +291,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -454,7 +454,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -472,13 +472,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -488,7 +488,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -500,7 +500,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -512,7 +512,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -524,7 +524,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -535,7 +535,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1108,7 +1108,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1333,7 +1333,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1344,7 +1344,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1439,7 +1439,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1530,7 +1530,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/ru.po b/contract/i18n/ru.po
index 7dc170eab..e07eea12e 100644
--- a/contract/i18n/ru.po
+++ b/contract/i18n/ru.po
@@ -290,7 +290,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -464,7 +464,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -482,13 +482,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -534,7 +534,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -547,7 +547,7 @@ msgid "Contract lines"
 msgstr "Договоры"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1135,7 +1135,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1364,7 +1364,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1375,7 +1375,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1472,7 +1472,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1563,7 +1563,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/sk.po b/contract/i18n/sk.po
index c7389e9fa..d8eb451fc 100644
--- a/contract/i18n/sk.po
+++ b/contract/i18n/sk.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/sk_SK.po b/contract/i18n/sk_SK.po
index f0f17937b..b0ec57d75 100644
--- a/contract/i18n/sk_SK.po
+++ b/contract/i18n/sk_SK.po
@@ -291,7 +291,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -454,7 +454,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -472,13 +472,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -488,7 +488,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -500,7 +500,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -512,7 +512,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -524,7 +524,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -535,7 +535,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1104,7 +1104,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1329,7 +1329,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1340,7 +1340,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1435,7 +1435,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1526,7 +1526,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/sl.po b/contract/i18n/sl.po
index 676b92840..17494f480 100644
--- a/contract/i18n/sl.po
+++ b/contract/i18n/sl.po
@@ -291,7 +291,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -454,7 +454,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -472,13 +472,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -488,7 +488,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -500,7 +500,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -512,7 +512,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -524,7 +524,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -535,7 +535,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1110,7 +1110,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1335,7 +1335,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1346,7 +1346,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1441,7 +1441,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1532,7 +1532,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/sr.po b/contract/i18n/sr.po
index 2f5f0e570..8dfc30735 100644
--- a/contract/i18n/sr.po
+++ b/contract/i18n/sr.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1104,7 +1104,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1329,7 +1329,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1340,7 +1340,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1435,7 +1435,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1526,7 +1526,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/sr@latin.po b/contract/i18n/sr@latin.po
index 0a2c297a4..9da952900 100644
--- a/contract/i18n/sr@latin.po
+++ b/contract/i18n/sr@latin.po
@@ -290,7 +290,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -453,7 +453,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -471,13 +471,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -487,7 +487,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -499,7 +499,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -511,7 +511,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -523,7 +523,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -534,7 +534,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/sv.po b/contract/i18n/sv.po
index b6e896f0a..9cef99f84 100644
--- a/contract/i18n/sv.po
+++ b/contract/i18n/sv.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/th.po b/contract/i18n/th.po
index 0687b07f8..8a9ebbcf3 100644
--- a/contract/i18n/th.po
+++ b/contract/i18n/th.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1105,7 +1105,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1330,7 +1330,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1341,7 +1341,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1436,7 +1436,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1527,7 +1527,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/tr.po b/contract/i18n/tr.po
index e22a45fe9..41a6321d5 100644
--- a/contract/i18n/tr.po
+++ b/contract/i18n/tr.po
@@ -357,7 +357,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -539,7 +539,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "Sözleşme '%s' başlangıç tarihi, bitiş tarihinden sonra olamaz"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -557,13 +557,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -573,7 +573,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -585,7 +585,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -597,7 +597,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -609,7 +609,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -622,7 +622,7 @@ msgid "Contract lines"
 msgstr "Sözleşme Satırları"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1228,7 +1228,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1469,7 +1469,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1480,7 +1480,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1578,7 +1578,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1671,7 +1671,7 @@ msgid "Year(s)"
 msgstr "Yıl(lar)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/tr_TR.po b/contract/i18n/tr_TR.po
index 4af8273a0..e09486ce7 100644
--- a/contract/i18n/tr_TR.po
+++ b/contract/i18n/tr_TR.po
@@ -292,7 +292,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -466,7 +466,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -484,13 +484,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -500,7 +500,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -512,7 +512,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -524,7 +524,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -536,7 +536,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -549,7 +549,7 @@ msgid "Contract lines"
 msgstr "Sözleşmeler"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1147,7 +1147,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1382,7 +1382,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1393,7 +1393,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1490,7 +1490,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1581,7 +1581,7 @@ msgid "Year(s)"
 msgstr "Yıl(lar)"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/uk.po b/contract/i18n/uk.po
index 94184b31c..0f01c356b 100644
--- a/contract/i18n/uk.po
+++ b/contract/i18n/uk.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/vi.po b/contract/i18n/vi.po
index 37cf59037..abfced865 100644
--- a/contract/i18n/vi.po
+++ b/contract/i18n/vi.po
@@ -288,7 +288,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -451,7 +451,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -469,13 +469,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -485,7 +485,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -497,7 +497,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -509,7 +509,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -521,7 +521,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -532,7 +532,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1103,7 +1103,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1328,7 +1328,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1339,7 +1339,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1434,7 +1434,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1525,7 +1525,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/vi_VN.po b/contract/i18n/vi_VN.po
index 0ed111377..7aa2c7fb4 100644
--- a/contract/i18n/vi_VN.po
+++ b/contract/i18n/vi_VN.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1106,7 +1106,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1331,7 +1331,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1342,7 +1342,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1437,7 +1437,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1528,7 +1528,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""
diff --git a/contract/i18n/zh_CN.po b/contract/i18n/zh_CN.po
index b5086e45b..73acd1ee1 100644
--- a/contract/i18n/zh_CN.po
+++ b/contract/i18n/zh_CN.po
@@ -349,7 +349,7 @@ msgid "Cancel allowed?"
 msgstr "取消允许？"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr "取消此行不允许"
@@ -522,7 +522,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr "合同行'%s'的开始日期不能晚于结束日期"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr "合同行未取消：%s<br/>- "
@@ -540,13 +540,13 @@ msgid "Contract line and its successor overlapped"
 msgstr "与接替的合同行重叠"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr "合同行取消：%s<br/>- "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -560,7 +560,7 @@ msgstr ""
 "                            "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -578,7 +578,7 @@ msgstr ""
 "                    "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -596,7 +596,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -614,7 +614,7 @@ msgstr ""
 "                "
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr "必须在删除前取消合同行"
@@ -625,7 +625,7 @@ msgid "Contract lines"
 msgstr "合同行"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1207,7 +1207,7 @@ msgid "Plan successor allowed?"
 msgstr "计划接替允许吗？"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr "计划接替不允许此行"
@@ -1436,7 +1436,7 @@ msgid "Stop allowed?"
 msgstr "停止允许？"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr "停止不允许此行"
@@ -1447,7 +1447,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr "允许停止/计划接替？"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr "此线路不允许停止/计划接替"
@@ -1542,7 +1542,7 @@ msgid "Un-cancel"
 msgstr "不要取消"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr "此行不允许取消"
@@ -1633,7 +1633,7 @@ msgid "Year(s)"
 msgstr "年"
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr "您不能延迟至少一次开具发票的合同行。"
diff --git a/contract/i18n/zh_TW.po b/contract/i18n/zh_TW.po
index ef403692f..82d2bb5b9 100644
--- a/contract/i18n/zh_TW.po
+++ b/contract/i18n/zh_TW.po
@@ -289,7 +289,7 @@ msgid "Cancel allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1056
+#: code:addons/contract/models/contract_line.py:1061
 #, python-format
 msgid "Cancel not allowed for this line"
 msgstr ""
@@ -452,7 +452,7 @@ msgid "Contract line '%s' start date can't be later than end date"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1085
+#: code:addons/contract/models/contract_line.py:1090
 #, python-format
 msgid "Contract line Un-canceled: %s<br/>- "
 msgstr ""
@@ -470,13 +470,13 @@ msgid "Contract line and its successor overlapped"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1064
+#: code:addons/contract/models/contract_line.py:1069
 #, python-format
 msgid "Contract line canceled: %s<br/>- "
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:856
+#: code:addons/contract/models/contract_line.py:861
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -486,7 +486,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:936
+#: code:addons/contract/models/contract_line.py:941
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -498,7 +498,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1232
+#: code:addons/contract/models/contract_line.py:1237
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -510,7 +510,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1044
+#: code:addons/contract/models/contract_line.py:1049
 #, python-format
 msgid ""
 "Contract line for <strong>{product}</strong>\n"
@@ -522,7 +522,7 @@ msgid ""
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1282
+#: code:addons/contract/models/contract_line.py:1287
 #, python-format
 msgid "Contract line must be canceled before delete"
 msgstr ""
@@ -533,7 +533,7 @@ msgid "Contract lines"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract.py:463
+#: code:addons/contract/models/contract.py:439
 #, python-format
 msgid ""
 "Contract manually invoiced: <a href=\"#\" data-oe-model=\"%s\" data-oe-id="
@@ -1104,7 +1104,7 @@ msgid "Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:919
+#: code:addons/contract/models/contract_line.py:924
 #, python-format
 msgid "Plan successor not allowed for this line"
 msgstr ""
@@ -1329,7 +1329,7 @@ msgid "Stop allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:839
+#: code:addons/contract/models/contract_line.py:844
 #, python-format
 msgid "Stop not allowed for this line"
 msgstr ""
@@ -1340,7 +1340,7 @@ msgid "Stop/Plan successor allowed?"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:980
+#: code:addons/contract/models/contract_line.py:985
 #, python-format
 msgid "Stop/Plan successor not allowed for this line"
 msgstr ""
@@ -1435,7 +1435,7 @@ msgid "Un-cancel"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:1077
+#: code:addons/contract/models/contract_line.py:1082
 #, python-format
 msgid "Un-cancel not allowed for this line"
 msgstr ""
@@ -1526,7 +1526,7 @@ msgid "Year(s)"
 msgstr ""
 
 #. module: contract
-#: code:addons/contract/models/contract_line.py:789
+#: code:addons/contract/models/contract_line.py:794
 #, python-format
 msgid "You can't delay a contract line invoiced at least one time."
 msgstr ""