If no payment mode is set on the account move, the partner bank is voided if already filled in. https://github.com/OCA/bank-payment/pull/1094/files#diff-560b5e454acd270e25223d56b85967eaec36fe9a08eac999124990650aa32f6cR114 I think this assertion is true for computed fields not stored... : ``` Now that partner_bank_id is a computed field, we shouldn't set its value to False if the move is not a vendor bill or doesn't have a payment mode. ``` So, I will do a fix for that @grindtildeath