diff --git a/account_statement_import_txt_xlsx/models/account_statement_import.py b/account_statement_import_txt_xlsx/models/account_statement_import.py
index 8e854be1..cceb90b8 100644
--- a/account_statement_import_txt_xlsx/models/account_statement_import.py
+++ b/account_statement_import_txt_xlsx/models/account_statement_import.py
@@ -3,7 +3,8 @@
 
 import logging
 
-from odoo import fields, models
+from odoo import _, fields, models
+from odoo.exceptions import UserError
 
 _logger = logging.getLogger(__name__)
 
@@ -32,10 +33,11 @@ class AccountStatementImport(models.TransientModel):
                 return Parser.parse(
                     data_file, self.sheet_mapping_id, self.statement_filename
                 )
-            except BaseException:
+            except BaseException as exc:
                 if self.env.context.get("account_statement_import_txt_xlsx_test"):
                     raise
                 _logger.warning("Sheet parser error", exc_info=True)
+                raise UserError(_("Bad file/mapping: ") + str(exc)) from exc
         return super()._parse_file(data_file)
 
     def _create_bank_statements(self, stmts_vals, result):