[REF] account_move_name_sequence: Moves with name '/' can not be posted

After remove required=True for journal.sequence_id field it is possible to post an invoice with misconfigured journal with empty sequence

So, this constraint will raise an error for this kind of cases since that using '/' could raise the unique constraint for all other moves

account_move_name_sequence/__manifest__.py

@@ -6,7 +6,7 @@
 
 {
     "name": "Account Move Number Sequence",
-    "version": "14.0.1.0.1",
+    "version": "14.0.1.1.0",
     "category": "Accounting",
     "license": "AGPL-3",
     "summary": "Generate journal entry number from sequence",

account_move_name_sequence/i18n/account_move_name_sequence.pot

@@ -13,6 +13,13 @@ msgstr ""
 "Content-Transfer-Encoding: \n"
 "Plural-Forms: \n"
 
+#. module: account_move_name_sequence
+#: model:ir.model.constraint,message:account_move_name_sequence.constraint_account_move_name_state_diagonal
+msgid ""
+"A move can not be posted with name \"/\" or empty value\n"
+"Check the journal sequence, please"
+msgstr ""
+
 #. module: account_move_name_sequence
 #: model:ir.model.fields,help:account_move_name_sequence.field_account_journal__refund_sequence
 msgid ""

account_move_name_sequence/models/account_move.py

@@ -15,6 +15,15 @@ class AccountMove(models.Model):
     sequence_prefix = fields.Char(compute=False)
     sequence_number = fields.Integer(compute=False)
 
+    _sql_constraints = [
+        (
+            "name_state_diagonal",
+            "CHECK(COALESCE(name, '') NOT IN ('/', '') OR state!='posted')",
+            'A move can not be posted with name "/" or empty value\n'
+            "Check the journal sequence, please",
+        ),
+    ]
+
     @api.depends("state", "journal_id", "date")
     def _compute_name_by_sequence(self):
         for move in self: