Solution : https://service.sap.com/sap/support/notes/998309 (SAP Service marketplace login required)
Key words :
sapbwnews bw sp20 netweaver'04 stack 20, prerequisites program error, terms hierarchy node, 50 import support package 20, 0 import support package 11, sapbwnews bw 7, bw releases 3, hierarchy node, support package, concerned node
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986891 | SAPBWNews BW Support Package 20 NetWeaver '04 Stack 20 RIN |
975083 | Special characters like < > in filter dialog not escaped |
914305 | SAPBINews NetWeaver 7.0 BI Support Package 11 |
825036 | Corrupt characters in HTTP form fields |
812847 |