Solution : https://service.sap.com/sap/support/notes/1353746 (SAP Service marketplace login required)
Key words :
solution sap netweaver bi 7, 01 bi abap support package 05, 02 bi abap support package 01, sap netweaver bi 7, input-ready query, bex web runtime, active display hierarchy, single values exist, null reference abend, type cx_sy_ref_is_initial occurred
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