The background user needs the following authorization profiles:
● In the BI System:
S_BI-WHM_RFC (Business Information Warehouse: RFC users in the Warehouse)
● In the Source System:
S_BI-WX_RFC (Business Information Warehouse: RFC users in extraction)
In both the start menu of the BI system and the source system, choose the path Tools → Administration → Maintain Users → Users and assign the profiles to the background user.