Does not return goods to the warehouse

Supplier order https://crm.mebelok.com/admin/customorder/order/2172291/edit/ There were 3 pieces Created a sub-process for return 1 https://crm.mebelok.com/admin/customorder/sklad/2320547/edit/ We move to the stage https://crm.mebelok.com/admin/shop/workflowstatus/1656/action/new/ This return action fires [file]15465[/file] But it gives an error Unable to return the goods to the warehouse. Perhaps there is not enough goods in the warehouse or access rights. The action specifies the field from which to take the name of the warehouse from which to return, in this warehouse the goods are in stock