SAP Message UGMD500 - Higher-level characteristic is ambiguous

Diagnosis
*** only the 2 variables were changed ***
While reading hierarchy &V1& from BW System &V2&, the system discoveredseveral values for the higher-level characteristic that is over thehierarchy-carrying characteristic. However, in the definition of thehierarchy, only one value is allowed for the higher-levelcharacteristic in the entire hierarchy.

System Response
The hierarchy will not be transferred from the BW system.

Procedure
Change the definition of the hierarchy in the BW System and restart thehierarchy transfer.