Solution : https://service.sap.com/sap/support/notes/641300 (SAP Service marketplace login required)
Key words :
0b import support package 15, 1c import support package 09, existentially required object, 0b support package 15, 1c support package 09, bw support packages, support package, 0b patch15, 1c patch09, sapbwnews bw 3
Related Notes :
634813 | Correction: DataSources for Myself are not "existential" |
571720 | SAPBWNews BW 3.1 Content Support Package 09 |
571698 | SAPBWNews BW 3.0B Support Package 15 |