Diagnosis
Entity types with 1 as the storage and usetype cannot be on a higher level than entity types with thestorage and use type 2 or 3 (using relationships withLeading or Qualifying as the relationship type). If anentity type is edition-dependent, all dependent entity types must alsobe edition-dependent.

System Response
The data model cannot be saved or activated.

Procedure
Assign an entity type with a suitable storage and use type.