Solution : https://service.sap.com/sap/support/notes/747092 (SAP Service marketplace login required)
Key words : 
prerequisites program error, sdb1fdb2 solution corrections, basis support packages, sapkb61040 sapkb62042 sapkb64005, client copy, scc8 reason, performance
Related Notes : 
       
| 491923 | CC RELEASE: Client copy errors in Release 6.20 |