Solution : https://service.sap.com/sap/support/notes/608602 (SAP Service marketplace login required)
Key words : 
terms bw web application, 0b            import support package 20, import support package 14, 0b support package 20, manually deactivating exceptions, 1 content support package 14, support package 20, support package, web reporting, 0b patch20
Related Notes : 
       
| 647752 | SAPBWNews BW 3.0B Support Package 20 | 
| 523249 | SAPBWNews BW 3.0B Support Package 12 |