Solution : https://service.sap.com/sap/support/notes/911939 (SAP Service marketplace login required)
Key words : 
sapbwnews bw support package 16 netweaver'04 stack 16, type = productive sap standard program, additional component mphint type rs_bool, key components = 1 chanmid 2 provid 5, fields chanmid type rssid, 10 content            import support package 24, 0b            import support package 30, e_intersection type rs_bool, provid type rssid, i_sid type rssid
Related Notes : 
       
| 1333641 | Termination when executing a query on a MultiProvider | 
| 954889 | Different problems with RRKMULTIPROVHINT in 7.0 | 
| 950258 | Some PartProviders are not read | 
| 928151 | Memory consumption for MultiCubes with many part providers | 
| 920290 | Different problems with MultiProvider hint | 
| 914572 | Long runtime when you check or generate a query | 
| 913975 | Performance problems for MultiProviders with many partprov. | 
| 907881 | MultiProvider with (too) many part providers | 
| 907246 | Implicit derivation of mapping rules in MultiProviders | 
| 905375 | Long runtime in the RSD_CUBE_GET function module | 
| 872275 | SAPBWNews BW Support Package 16 NW'04 Stack 16 RIN | 
| 872273 | SAPBWNews BW 3.1 Content Support Package 24 | 
| 872271 | SAPBWNews BW 3.0B Support Package 30 | 
| 825396 | Performance in reports with many selections |