Solution : https://service.sap.com/sap/support/notes/639236 (SAP Service marketplace login required)
Key words : 
0b            import support package 15, 1 content            import support package 9, 0b support package 15, bw support packages, activated conversion exit, bw system release, support package, conversion exit, 1 content sp 09, source system
Related Notes : 
       
| 571720 | SAPBWNews BW 3.1 Content Support Package 09 | 
| 571698 | SAPBWNews BW 3.0B Support Package 15 |