Solution : https://service.sap.com/sap/support/notes/50387 (SAP Service marketplace login required)
Key words : 
directory /dist/permanent/lang/note, dsyat                              <execute>              settings ->                  user parameters, additional key words language import, /dist/permanent/lang/note, environment variable two_task, oracle v1-connect, transport request sapkl30e01, prerequisites language supplementation, language supplementation program, rseatst8                    <execute>       spras
Related Notes : 
       
| 51038 | IDES-3.0D installation | 
| 48324 | Double entries in DD tables after language supplementation | 
| 46077 | Latest note on the language import 3.0E | 
| 38930 | Current note on the language import for 3.0D |