Solution : https://service.sap.com/sap/support/notes/1437407 (SAP Service marketplace login required)
Key words : 
software component   sap_bw                        business inform, xxx  days oldprod delete requests, delete write-optimized datastore requests, t_dso wo datastore objectsin, delta data transfer process, rsiccont - inconsistency606 &1 requests deleted, wo dso deletion checkin, data mart/dtp604 requests, write-optimized dso603 requests, wo dso & initially updated
Related Notes : 
       
| 1431124 | SAPBWNews NW BW 7.02 ABAP SP04 | 
| 1419541 | Preliminary version SAPBWNews NW BW 7.10 ABAP SP10 | 
| 1407599 | Preliminary Version SAPBWNews NW BW 7.20 ABAP SP03 | 
| 1407598 | SAPBWNews NW BW 7.0 ABAP SP 24 | 
| 1392433 | SAPBINews NW7.11 BW ABAP Support Package 05 | 
| 1369294 | SAPBINews NW7.01 BW ABAP Support Package 07 |