Solution : https://service.sap.com/sap/support/notes/398396 (SAP Service marketplace login required)
Key words :
function group rsdv solution bw2, symptom user-defined validity intervals, additional key words olap, 0b import support package 15, 1c import support package 07, user-defined intervals, 0b support package 15, 1c support package 07, bw support packages, business information warehouse