Solution : https://service.sap.com/sap/support/notes/350670 (SAP Service marketplace login required)
Key words :
attached source code modifications, prerequisites modification solution, function module exit_saplkasc_001, include exception fehler, wanted error message, error message, include zxkscu01, raising fehler, message handler, enhancement coom0001
Related Notes :
397799 | INFORMATION: CO-OM-OPA (Order & Project Accounting) |
116808 | Documentation enhancement COOM0001 |