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3 Answers
11/29/18, 8:55 AM

Thank you for your answers I did not try them because it turned out that we could solve the problem by ticking an option in the settings of the operation "receipt", field "use_existing_lots" in stock.picking.type.

I am glad that I do not have to alter the database by hand.


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11/28/18, 2:57 PM


you should both comment the line and remove the constraint from Postgre.

Have a look at: https://www.odoo.com/forum/help-1/question/remove-sql-constraints-5431

Alternatively you may redefine this sql contsraint in your Python class:

class stock_production_lot(models.Model):    
    _inherit = "stock.production.lot"
    _sql_constraints = [('name_ref_inique', 'check(1=1)', 'No error'),]
11/29/18, 4:12 AM

Just remove the contsraint manually from your python file and from the database. 

try this : 
ALTER TABLE Your_table_name DROP CONSTRAINT Your_constraint_name;

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