Solution : https://service.sap.com/sap/support/notes/603153 (SAP Service marketplace login required)
Key words : 
obj_tp          extobj_yr          blankobj_no          blankfil_ext        required file extensions entered, code page conversion post-processing work, obj_tp          extobj_yr          blankobj_no          blankfil_ext        blankthis, obj_tp          aliobj_yr          blankobj_no          blankfil_ext        blankthis, previously-saved abap list information, original code page information, code page conversion, abap list information, execute clrpfm file, ext file types
Related Notes : 
       
| 500950 | iSeries: R/3 EBCDIC --> ASCII Codepage Conversion Doc. |