Solution : https://service.sap.com/sap/support/notes/744292 (SAP Service marketplace login required)
Key words : 
rspc 005the job log, process chain process loading, error starting infopackage <ipak>, 10 content            import support package 16, 0b            import support package 22, variant <ipak> terminated, import support package 21, 1 content support package 16, 50            import support package 05, 0b support package 22
Related Notes : 
       
| 729627 | P21:PC:LOADING process reports back twice with PC | 
| 693495 | SAPBWNews BW Support Package 05 NW'04 Stack 05 RIN | 
| 693494 | SAPBWNews BW SP04 NW'04 Stack 04 RIN | 
| 679667 | SAPBWNews BW 3.1 Content Support Package 16 | 
| 679666 | SAPBWNews BW 3.0B Support Package 22 |