Solution : https://service.sap.com/sap/support/notes/50475 (SAP Service marketplace login required)
Key words :
menu function edit-> functions -> aktivate preq/reserv, prerequisites program error solution source code correction, additional key words cn21, externally processed activity, purchase requisition items, purchase requisition, purchase requisitions, activate reservations, update termination
Related Notes :
| 71537 | No PReq if required entry fields not filled in PReq |