Solution : https://service.sap.com/sap/support/notes/666980 (SAP Service marketplace login required)
Key words :
itab_duplicate_key runtime error occurs, 0b import support package 17, 1c import support package 11, 0b support package 17, 1 content support package 11, current support package, bw support packages, avg exception aggregation, import correction 656761, support package 16
Related Notes :
656761 | GETWA_NOT_ASSIGNED in the SAPLRRK0; form SX_TO_BDATA_AVGWGR |
571747 | SAPBWNews BW 3.1 Content Support Package 11 |
571742 | SAPBWNews BW 3.0B Support Package 17 |