Solution : https://service.sap.com/sap/support/notes/197235 (SAP Service marketplace login required)
Key words :
payment medium program rffom100 creates payment media, additional key words rffom100, payment medium file, alternative format mt101, payment process, program error, missing function, explicit allocation, solution field 25, authorized users
Related Notes :
| 624244 | RFFOM100 MT101: User name with umlauts in field 25 |