Solution : https://service.sap.com/sap/support/notes/1447923 (SAP Service marketplace login required)
Key words : 
parallel processes>batch_class    =  cparallel_mode  =  bserial_flag    =leave, entry inthe table rsbatchparallel, process_type   =  crea_hashspc_variant     =parallel_procs =  <number, sap netweaver bw 7, sapbinews nw bi 7, sap nw bw 7, 00import support package 24, import support package 07, import support package 04, 10import support package 10
Related Notes : 
       
| 1431124 | SAPBWNews NW BW 7.02 ABAP SP04 | 
| 1419541 | Preliminary version SAPBWNews NW BW 7.10 ABAP SP10 | 
| 1407599 | Preliminary Version SAPBWNews NW BW 7.20 ABAP SP03 | 
| 1407598 | SAPBWNews NW BW 7.0 ABAP SP 24 | 
| 1392433 | SAPBINews NW7.11 BW ABAP Support Package 05 | 
| 1369294 | SAPBINews NW7.01 BW ABAP Support Package 07 |