Solution : https://service.sap.com/sap/support/notes/558230 (SAP Service marketplace login required)
Key words : 
set 'continue update' indicator, filled destinations-onlyentrance field, 0b            import support package 28, 1c            import support package 20, destinations-cubeafterods field, 'full' update mode, 0b support package 28, 1c support package 20, bw support packages, support package
Related Notes : 
       
| 523186 | SAPBWNews BW 2.1C Support Package 20 | 
| 523185 | SAPBWNews BW 2.0B Support Package 28 |