Solution : https://service.sap.com/sap/support/notes/1112606 (SAP Service marketplace login required)
Key words : 
/    important general information---------------------< d027190 09/nov/04 >------------------------, /    important general information ii/   errors, cd-rom iv/   actions, individual phases vii/  actions, i5/os-specific problems, upgrade documentation iii/  errors, symptom errors occur, upgrade viii/  problems, prepare vi/   problems, ii/   errors
Related Notes : 
       
| 975861 | Add. Info.: Upgrade to SAP SRM Server 6.0 ABAP | 
| 961146 | Upgrade to SAP NetWeaver 7.0 ABAP SR2: IBM DB2 for i5/OS |