Solution : https://service.sap.com/sap/support/notes/386792 (SAP Service marketplace login required)
Key words : 
dbs/db4/opticonnect = 0for os/400 release v5r1, sap system installation                  23/jul/20025 final installation steps                      06/dec/20006 problems, section                                        date changed=======                                        ============1 general information                          12/oct/20012 errors, 19/dec/2000>------------------- os/400 ptf check            make, 06/dec/2000>------------step exitmnls_ind_indthe updnlstbl command, installation documentation      08/nov/20023 installation preparations                     19/dec/20004, code page arabic character sets, final installation steps -------------------------<d029695, 12/oct/01>--------------------message os version v0r9, double-byte sap code page
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