Solution : https://service.sap.com/sap/support/notes/760219 (SAP Service marketplace login required)
Key words : 
remaining process chain jobs, 10 content            import support package 17, 0b            import support package 23, process chain job, unnecessary restrictive programming, 50            import support package 05, 1 content support package 17, 0b support package 23, debugging queue time, support package
Related Notes : 
       
| 723259 | SAPBWNews BW 3.1 Content Support Package 17 | 
| 723192 | SAPBWNews 3.0B Support Package 23 | 
| 693495 | SAPBWNews BW Support Package 05 NW'04 Stack 05 RIN | 
| 641559 | Correction: Load on lock server because of process chains |