Solution : https://service.sap.com/sap/support/notes/435611 (SAP Service marketplace login required)
Key words :
control source code reason, filtered control source codes, utf8stoucs_overlap2 utf8stoucs utf8stoucscpcontrol characters, kernel patch level 193release 4, kernel patch level 1016, low-level routines, control characters, -printable characters, abap strings, carriage return
Related Notes :
| 447519 | Kernel patches for code pages, languages and locales |