Error while validating constraint 'purchase.order.line' object has no attribute 'purchase_id'

Question

I got this error when i click on "Run Procurement"  button in the module "Inventory" or when I click 'Confirm Sale' in module 'Sale'.
*Odoo Warning - Validation Error*
*Error while validating constraint*
*'purchase.order.line' object has no attribute 'purchase_id'   *
Note that the route of  the product listed in the sales order has been set to 'Buy' and 'Make to Order'.  Also I  created a reordering rule for this product. I I wanted is to trigger a purchase order whenever the stock  reaches the

Cybrosys Techno Solutions Pvt.Ltd · Answer

Hi,
You can check whether you are getting this issue in odoo runbot or not. You can access it from the following link :  http://runbot.odoo.com/runbot [1]
Choose V9 and log in using the credentials email:* admin *and password: * admin *
If you are * not able to reproduce * the issue in the runbot please update your version to the latest of odoo v9.

Most probably you will not get such an error in runbot, if you found means you can report it at : https://github.com/odoo/odoo/issues [2]
Thanks

[

mong ramos jr. · Answer

Samo Arko, reordering rule is from the feature of inventory module. Anyway, i traced the code that triggers creation of purchase order, the error raised at line 983 in purchase.py of purchase module. Ill try in runboot if i could recreate the error.
#981            if not po_line:
#982                vals = procurement._prepare_purchase_order_line(po, supplier)
#983                self.env['purchase.order.line'].create(vals)
#984        return res

Samo Arko · Answer

Your reordering rule, is it a custom module? If it is you need to add the module sale to the dependencies of your custom module.
If you have an error in your custom code it can prevent to load the module whole and this can cause the problem.
This two things are normally what causes my modules to raise the validation constrain error.

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