Solution : https://service.sap.com/sap/support/notes/1232373 (SAP Service marketplace login required)
Key words : 
/isdfps/fr01    - /isdfps/e1fr          /isdfps/e1forcerid_hr          /isdfps/e1adata          /isdfps/e1forcmd          /isdfps/e1formnt          /isdfps/e1foroth          /isdfps/e1forsup          /isdfps/e1fortob          e1bpparex       e1upslink customizing, template ddic structure /isdfps/forcmd/isdfps/e1formnt, template ddic structure /isdfps/formnt/isdfps/e1foroth, template ddic structure /isdfps/foroth/isdfps/e1forsup, template ddic structure /isdfps/forsup/isdfps/e1fortob, template ddic structure /isdfps/fortob add idoc segments, existing basic idoc type /isdfps/fr01, character container segment /isdfps/e1adata, idoc basic type /isdfps/fr01, fale object type object type
Related Notes : 
       
| 1319517 | Unicode Collection Note | 
| 1310720 | Collection Note for Unicode Systems with different endianess |