How To Fix USMD1164 - Entity types must not be further restricted

USMD1164 - Overview

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 164

• Message text: Entity types must not be further restricted

What causes this issue?

A restriction regarding entity types can only be made for authorizations
USMD_MDAT and USMD_MDATH if the data model is restricted to a single
value.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1164 - Entity types must not be further restricted ?

  The SAP error message USMD1164, which states "Entity types must not be further restricted," typically occurs in the context of SAP Master Data Governance (MDG) when you are trying to create or modify a data model or entity type that has already been defined with certain restrictions. This error indicates that the entity type you are working with cannot be further restricted beyond what has already been defined in the data model.
  
  Cause:
  
  Entity Type Restrictions: The entity type you are trying to modify has already been defined with specific attributes and restrictions. Attempting to add additional restrictions or modify existing ones that conflict with the defined structure leads to this error.
  Data Model Configuration: The configuration of the data model may not allow for further restrictions on the entity type due to its design or the relationships with other entity types.
  Inconsistent Definitions: There may be inconsistencies in how the entity types are