Solution : https://service.sap.com/sap/support/notes/624244 (SAP Service marketplace login required)
Key words :
special character substitution implement, copy function module fi_paymedium_sample_21, special character substitution, create payment media, payment medium creation, workbench payment medium, start file / header, solution standard system, program rffom100 writes, function module z_fi_paymedium_mt101_21
Related Notes :
| 524520 | PMW - Information on Payment Medium Workbench |
| 197235 | RFFOM100 & MT101: Optional field 25 is missing |