[12.0][FIX] account_banking_mandate: Set Force company

account_banking_mandate/models/account_invoice.py

@@ -41,6 +41,9 @@ class AccountInvoice(models.Model):
         for onchange_method, changed_fields in list(onchanges.items()):
             if any(f not in vals for f in changed_fields):
                 invoice = self.new(vals)
+                invoice = invoice.with_context(
+                    force_company=invoice.company_id.id
+                )
                 getattr(invoice, onchange_method)()
                 for field in changed_fields:
                     if field not in vals and invoice[field]: