Solution : https://service.sap.com/sap/support/notes/658163 (SAP Service marketplace login required)
Key words :
initially derived fm account assignment stays, fm account assignment derivation runs, changed account assignment object, existing fm account assignment, fm account assignment existing, fm account assignment derivation, changed account assignment element, manually entered account assignment, derived account assignment, fm account assignment
Related Notes :
| 1268001 | FI313 - No funds center entered/derived in item &. |