SAP Message /ISDFPS/MM_CS043 - Sender of the assgd PReq is not op. in the cur. log. syst. in PO &1/&2

Diagnosis Purchase order (PO) item &V1&/&V2& refers to a purchase requisition(PReq) in which the sender is not operational in the current logicalsystem. System Response The PO item cannot be created or changed in this system. Procedure If you want to process PO item &V1&/&V2& in this system, delete thereference to the cross-system PReq.