Solution : https://service.sap.com/sap/support/notes/1481795 (SAP Service marketplace login required)
Key words : 
software component   sap_bw                        business inform, primary table rsar_s_lock_request ernrlockuser, solution sap netweaver bw 7, sap netweaver bw 7, sap nw bw 7, data transfer process, persistent staging area, manual pre-implement, primary table rsar_s_lock_request_user, sapbinews nw bi 7
Related Notes : 
       
| 1471463 | SAPBWNews NW BW 7.01 ABAP SP08 | 
| 1468668 | SAPBWNews NW7.0 BW ABAP Support Package 25 | 
| 1450990 | SAPBWNews NW BW 7.02 ABAP SP05 | 
| 1392433 | SAPBINews NW7.11 BW ABAP Support Package 05 |