Custom Char Field Getting Lost in Odoo 15 Invoice Lines

Question

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) [1]

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.
​ [2]

[1] https://account.move.line'
[2] https://account.

Saif Kazi · Answer

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

Regards

Cybrosys Techno Solutions Pvt.Ltd · Answer

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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