Solution : https://service.sap.com/sap/support/notes/760166 (SAP Service marketplace login required)
Key words : 
sap system installation                      jul/20045 final installation steps6 troubleshooting, topics                                          date changed======                                          ============1 general information2 errors, jul/04>--------------------------user management engine configurationduring, user management engine configuration screen, installation documentation         jul/20053 installation preparations                        mar/20054, central instance installation - license checkat, choose option j2ee db, sap system installation +===================================================================+------------------<c5046158, /usr/sap/trans environment, time zone environment variable
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