Solution : https://service.sap.com/sap/support/notes/152364 (SAP Service marketplace login required)
Key words :
system generates information messages kj477, mark field 'full log', choose 'logs -> parameter list', additional key words kka1, create error message kj161, display messages kj477, text 'values exist, call individual processing, -assigned cost elements, error message
Related Notes :
| 302823 | Message KJ161 |
| 18472 | Unassigned plan or actual values |