SAP Message AD_SUBCON114 - General error in purchase requisition for operation &

Diagnosis
When saving the PM/CS order, the purchase requisitions that were createdfrom that order are updated with changes to that order. However, duringthe update, an unexpected error occured.

System Response
You cannot save the PM/CS order.

Procedure
Try to save the order again.
If the error remains, contact your system administrator.