Solution : https://service.sap.com/sap/support/notes/1031610 (SAP Service marketplace login required)
Key words :
sapbwnews bw support package 21 netweaver'04 stack 21, persisting staging area process, 1 bi import support package 01, g_s_minfo deep structure, call transaction snote, sap bw releases 3, additional support packages, 50 import support package 21, 0 import support package 13, attached correction instructions
Related Notes :
| 986892 | SAPBWNews BW Support Package 21 NW'04 Stack 21 RIN |
| 914305 | SAPBINews NetWeaver 7.0 BI Support Package 11 |