SAP Message XC155 - Purchase Requisition with Deletion Indicator Cannot Be Changed

Diagnosis The purchase requisition &V1& item &V2& (plant: &V3& / material: &V4&)was changed in SAP APO. In the ERP system, this purchase requisitionhas, however, already been deleted (purchase requisition with deletionindicator). System Response The system has not changed the purchase requisition in the ERP system. Procedure Use the CIF comparison/reconciliation of transaction data in SAP APO toremove the data inconsistency between SAP APO (existing purchaserequisition) and the ERP system (deleted purchase requisition).