Solution : https://service.sap.com/sap/support/notes/731136 (SAP Service marketplace login required)
Key words :
10 content import support package 15, 0b import support package 21, duplicate node reason, 50 import support package 03, 1 content support package 15, 0b support package 21, support package, 5 support package 03, 0b patch 21, interval hangs
Related Notes :
| 693363 | SAPBWNews BW SP03 NW'04 Stack 03 RIN |
| 679665 | SAPBWNews BW 3.0B Support Package 21 |
| 601055 | SAPBWNews BW 3.1 Content Support Package 15 |