Solution : https://service.sap.com/sap/support/notes/102402 (SAP Service marketplace login required)
Key words :
Character set, code page, single-byte, multi-byte, US7ASCII, WE8DEC, NLS, NLS_LANG
Related Notes :
1113270 | 10g: "ThrtReadDBVersion: Db version overflow" w/ SAP start |
669902 | Setting the national character set to UTF8 |
606359 | FAQ: Oracle National Language Support (NLS) |
122252 | Installation procedure with database copy |
30211 | Japanese Oracle Database Support |