SAP Message USMD1524 - Model &1: Relationship and h.attr. fr. ref. &2 used in diff.entity types

Diagnosis If relationships of type Referencing have the same name ashierarchy attributes from references, they must reference the sameentity types. This is not the case here. The relationship &V2& has the From-entity type &V3&, and the hierarchyattribute from reference &V2& references the entity type &V4&. System Response The data model will not be saved or activated.