Solution : https://service.sap.com/sap/support/notes/413317 (SAP Service marketplace login required)
Key words : 
/patches apply sap note 383740 apply sap note 501572, latest application interface support packages, post-installation activities +==========================================================+ transports implement, double-byte sap code page, installation preparations +==========================================================+ ibm tools edtf, application interface support package, abap runtime error          'dynpro_read_failed', post-installation activities                      19/apr/02 6, terms business information warehouse, ibm tools edtf
Related Notes : 
       
| 610257 | iSeries: Extended maintenance kernel for SAP Release 31I-46D | 
| 531603 | iSeries: SAP installations with an ASCII Database | 
| 392165 | iSeries: Known problems under V5R1M0/V5R2M0 | 
| 383740 | Installation BW 2.1C | 
| 376510 | iSeries: V5R1: SQL0030 error in SDB1FDB4 | 
| 370284 | AS/400: Inst. termination in step DBCREATEDB_IND_DB4 | 
| 68732 | AS/400: IBM tools DSPSTMF, SQLUTIL.. |