Solution : https://service.sap.com/sap/support/notes/1015258 (SAP Service marketplace login required)
Key words :
system issues error message brainolapapi 100, sapbwnews bw support package 20 netweaver'04 stack 20, 1 bi import support package 01, invalid mdx command, additional support packages, 50 import support package 20, 0 import support package 13, sap bw releases 3, attached correction instructions, sapbwnews bw 7
Related Notes :
986891 | SAPBWNews BW Support Package 20 NetWeaver '04 Stack 20 RIN |
914305 | SAPBINews NetWeaver 7.0 BI Support Package 11 |