SAP Message /ISDFPS/MM_CS008 - Cannot change cross-system purchase requisition &1/&2

Diagnosis
Item &V2& in purchase requisition &V1& is a cross-system purchaserequisition item. Both the recipient and the sender of thepurchase requisition item are active in external logicalsystems. This means that the item is notoperational on the current logical system.

System Response
Item &V2& in purchase requisition &V1&cannot be edited in the current logical system.

Procedure
Change the purchase requisition in the sender's logical system or in therecipient's logical system.