Solution : https://service.sap.com/sap/support/notes/396625 (SAP Service marketplace login required)
Key words :
additional key words va01, contract release order, release order, requirements category, assignments made, allocation run, quantities released, successfully allocated, vbap-werks, vbap-j_4krcat
Related Notes :
| 397433 | USEREXIT_FIELD_MODIFICATION is not run |