you would have to tell us where/what your source is. How has the Source-Target data loading been done? Without more information you will most likely get no answer.
As this appears to be a question about Oracle Warehouse Builder you might be better off asking the question in the relevant forum: https://forums.oracle.com/community/developer/english/business_intelligence/data_warehousing/warehouse_builder
Sorry, I figured I was in a irrelevant area. I will try there. Thx