I recently added a custom Char field called 'Report No' to the invoice lines in Odoo 15,
using the following code:
class AccountMoveLineInherited(models.Model):
_inherit = 'account.move.line'
report_no = fields.Char('Report No', required=True)
However, when I enter a new invoice line record and save it, the custom field often gets lost.
I'm not sure why this is happening and would appreciate any suggestions or solutions. Thank you.
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After encountering an issue where my custom Char field 'report_no' was getting lost when I saved new invoice line records in Odoo 15, I spent two hours troubleshooting the issue. Eventually, I discovered that the issue arose because the 'account.move' model contains two fields with the same relation to 'account.move.line', causing a conflict with my custom field. so I added the 'report_no' field in both one2many relation fields in the views
Regards
Hi,
Try with the field attribute “ store”.
Eg:
class AccountMoveLineInherited(models.Model):
_inherit = 'account.move.line'
report_no = fields.Char('Report No', required=True, store= True)
If this is not works, try with the force_save = 1 in XML
<field name=”report_no” force_save=”1”/>
Regards
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