Solution : https://service.sap.com/sap/support/notes/641777 (SAP Service marketplace login required)
Key words : 
'request background process runs, stop request background process, 1 content            import support package 9, 0b            import support package 15, scheduling tab tage, indicator takes effect, 1 content support package 09, 0b support package 15, terms process chain, bw support packages
Related Notes : 
       
| 571720 | SAPBWNews BW 3.1 Content Support Package 09 | 
| 571698 | SAPBWNews BW 3.0B Support Package 15 |