Hi,
when i installing custom module in odoo12,above error is occurring,
I added dependency of purchase module in manifest file.
Thanks
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Hello HimanshuMishra,
Generally this type of error coming when system not found the model. So kindly check the below possibilities.
1. Kindly check 'purchase.order.line' model properly inherited or not.
2. If created the seperate file with 'purchase.order.line' model then check it is added in '__init__.py' file or not.
3. Kindly check the dependancy of 'purchase' module in '__manifest__.py' file.
I hope this will help you.
Thanks & Regards,
Email: odoo@aktivsoftware.com
Skype: kalpeshmaheshwari
Is the Python file correctly using _inherit on the model purchase.order.line though?
Please post your code you are working with.