Solution : https://service.sap.com/sap/support/notes/862009 (SAP Service marketplace login required)
Key words :
global fallback code page, fallback code page, code page conversion, generated xml-files, terms unicode-conversion, unicode conversion, execute r3load, handled correctly, error messages, read umgcctl
Related Notes :
| 447519 | Kernel patches for code pages, languages and locales |