Solution : https://service.sap.com/sap/support/notes/161860 (SAP Service marketplace login required)
Key words : 
abap/import_char_conversion =0install/codepage/db/transp    =1401install/codepage/db/non_transp =1401zcsa/installed_languages      =dehabap/locale_ctype              =, install/codepage/appl_server  =1401zcsa/system_language          =hsaptemu/codepage               =1401, hkey_local_machine-> system-> currentcontrolset-> control-> nls-> codepage, nt operating system level, sap codepage configuration, sap applied codepage, operating system type, hungarian codepage, \winnt\system32 directory, start--> run menu
Related Notes : 
       
| 195490 | Automatic selection of GUI frontend code page | 
| 71107 | Configuration of a Hungarian system | 
| 39763 | setlocale on Windows/NT and table TCP0C |