Solution : https://service.sap.com/sap/support/notes/706526 (SAP Service marketplace login required)
Key words : 
authorization check works correctly, 1 content            import support package 14, 0b            import support package 20, brain bug reason, 5            import support package 03, 1 content support package 14, 5 content support package 03, 0b support package 20, bw support packages, terms customer exit
Related Notes : 
       
| 692636 | SAPBWNews BW SP02 NW'04 Stack 02 RIN | 
| 647752 | SAPBWNews BW 3.0B Support Package 20 | 
| 601051 | SAPBWNews BW 3.1 Content Support Package 14 |