Solution : https://service.sap.com/sap/support/notes/562145 (SAP Service marketplace login required)
Key words :
convert transfer parameter innnn, 'unicode check active' flag, transfer parameter 'innnn', sample source code, terms user exit, attached correction instructions, unicode flag set, unicode flag, unicode programs, unicode character
Related Notes :
| 549143 | Searching for User-Exits which need Unicode-enabling |