Solution : https://service.sap.com/sap/support/notes/1507256 (SAP Service marketplace login required)
Key words :
fine granular access control, 30 bw abap sp02, sap netweaver bw 7, shipped bw tables, field authorization group, authorization group bwg, generated bw tables, 30import support package 02, table authorization group, default authorization groups
Related Notes :
1516891 | APD: Authorization check S_TABU_DIS |
1481950 | New authorization check for generic table access |
1434284 | FAQ| Authorization concept for generic table access |