Solution : https://service.sap.com/sap/support/notes/562437 (SAP Service marketplace login required)
Key words :
0a import support package 7, 1c import support package 20, 0b import support package 28, generated ods objects, 1c support package 20, 0b support package 28, 0b support package 7, bw support packages, support package, 1c patch 20
Related Notes :
523186 | SAPBWNews BW 2.1C Support Package 20 |