Solution : https://service.sap.com/sap/support/notes/656250 (SAP Service marketplace login required)
Key words :
1 content import support package 10, display multiple root nodes, 0b import support package 16, lower level subtree, 1 content support package 10, root node appears, root node reason, root nodes exist, 0b support package 16, display hierarchies remain
Related Notes :
| 571744 | SAPBWNews BW 3.1 Content Support Package 10 |
| 571699 | SAPBWNews BW 3.0B Support Package 16 |