SAP Message UGMD069 - &1 is used in the hierarchy and cannot be deleted

Diagnosis
Characteristic value &V1& is used as hierarchy node &V3& in thehierarchy with the name &V2& of the BW system &V4&. As the hierarchy isused in an aggregate ,characteristic value &V1& with its hierarchy entry in the BW system &V4&cannot be deleted automatically. You can only delete provided thecharacteristic is no longer being used in a hierarchy.

Procedure
To delete the value &V1& in BW system &V4&, first change and thenactivate hierarchy &V2& so that &V1& is no longer being used.