Solution : https://service.sap.com/sap/support/notes/547439 (SAP Service marketplace login required)
Key words :
product group maintenance, column 'aggregation factor', aggregation factor entered, entered aggregation factor, aggregation factor field, planning hierarchy maintenance, proportional factors maintained, aggregation factor, aggregation factor = 2, planning hierarchy
Related Notes :
| 631323 | Planning hierarchy: Known problems |