Solution : https://service.sap.com/sap/support/notes/407972 (SAP Service marketplace login required)
Key words :
additional key words volume rebate income, settlement data, system carries, assignment incorrectly, subsequent settlement, program error, repair guidelines, support package, prerequisites
Related Notes :
161595 | Incorrect data transfer for activated user exit |
104668 | Collective note: Subsequent settlement (Purch.) Release 4.0 |