Solution : https://service.sap.com/sap/support/notes/905105 (SAP Service marketplace login required)
Key words : 
sapbwnews bw support package 16 netweaver'04 stack 16, data targets' indicator activated, 10 content            import support package 24, 0b            import support package 30, persistent staging area, 1 content support package 24, 50            import support package 16, 0            import support package 07, longer updates requests, monitor remains yellow
Related Notes : 
       
| 906341 | Termination during metadata replication in BI 7.0 (Unicode) | 
| 897082 | P30: P6: SDL: Postprocessing is started twice | 
| 890820 | P29:P6: Dump during automatism and PSA further update | 
| 889160 | P29:P6: Update from monitor and red Data packages | 
| 872279 | SAPBINews NetWeaver 7.0 BI Support Package 07 | 
| 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 |