SAP Message VY043 - No active purchase order item for shipment cost item &1 &2

Diagnosis
A shipment cost item is to be released for settlement.
The system tried determine a suitable purchase order item forforwarding.
No active purchase order item could be determined.
A suitable purchase order item was determined, but it is blocked ordeleted.

System Response
The shipment cost item can not be released.

Procedure
INCLUDE SCD_PURCHASE_ORDER_NOT_FOUND OBJECT DOKU ID TX