Solution : https://service.sap.com/sap/support/notes/836158 (SAP Service marketplace login required)
Key words : 
type  rs_bool optionalto provide information, sapbwnews bw sp12 netweaver'04 stack 12, 0b            import support package 27, 10 content            import support package 21, type  rs_bool optional, type  rsdd_sx_seldr optional, 50            import support package 12, rrkh function group, 0b support package 27, solution bw 3
Related Notes : 
       
| 851754 | X299 Brain in SAPLRRKH, form SELDER_INTERSECT_BUF-01 | 
| 825396 | Performance in reports with many selections | 
| 763340 | SAPBWNews BW Support Package 12 NetWeaver'04 Stack 12 RIN | 
| 723263 | SAPBWNews BW 3.1 Content Support Package 21 | 
| 723258 | SAPBWNews BW 3.0B Support Package 27 |