How To Fix USMD1312 - Data model &1: Entity type &2 used as hierarchy node

USMD1312 - Overview

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 312

• Message text: Data model &1: Entity type &2 used as hierarchy node

What causes this issue?

Entity type &V2& is used as a hierarchy node for entity type &V3&.
Therefore, you can only hide both entity type &V2& and entity type &V3&.

System Response

The system does not save the settings.

How to fix this error?

Remove the entry for entity type &V2& or add the entry for entity type
&V3&.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

USMD1312 - Details

• The SAP error message USMD1312 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the data model configuration, specifically related to the use of entity types in hierarchy nodes.
  
  Cause:
  The error message "Data model &1: Entity type &2 used as hierarchy node" indicates that an entity type that is not intended to be used as a hierarchy node is being referenced as such in the data model. This can happen due to:
  
  Incorrect Configuration: The entity type may not be configured correctly in the data model to support hierarchical relationships.
  Modeling Errors: There may be a misunderstanding or misconfiguration in the way the data model is designed, leading to the use of an inappropriate entity type as a hierarchy node.
  Incompatibility: The entity type may not have the necessary attributes or relationships defined to function as a hierarchy node.
  
  
  Solution:
  To resolve this error, you can take the