Solution : https://service.sap.com/sap/support/notes/511477 (SAP Service marketplace login required)
Key words :
terms flexible update infoobject infosource delta upload initialization selection reason, infosource 0materialto infosource 0material_attr, sap bw business content, master data tables/text tables, sap bw release lower, source system xxxxxxxwas transferred, cross-application master data, master data/text infosource, delta upload procedures, delta upload procedure
Related Notes :
515737 | Flexible master data upload for generic InfoObjects |