SAP Message VY033 - No purchase item for posting date &1 of shipment cost item &2 &3

Diagnosis A shipment cost item is to be released for settlement. The system tried to determine a suitable purchase order item forforwarding the shipment cost item. No purchase order item could be determined within the validity area ofthe posting date for the shipment cost item. System Response The shipment cost item can not be released. Procedure INCLUDE SCD_PURCHASE_ORDER_NOT_FOUND OBJECT DOKU ID TX