Solution : https://service.sap.com/sap/support/notes/141733 (SAP Service marketplace login required)
Key words :
prerequisites missing development solution, simply create settlement rules, sap standard system, standard sap system, time-based meaning, settlement rule exists, reverse previous settlements, empty source assignment, source structure irrespective, source structure u1
Related Notes :
| 397799 | INFORMATION: CO-OM-OPA (Order & Project Accounting) |