How To Fix USMD1501 - Mod./ent.&1, node ent.&2, hier.attr.fr.ref.&3: No data element allowed

USMD1501 - Overview

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 501

• Message text: Mod./ent.&1, node ent.&2, hier.attr.fr.ref.&3: No data element allowed

What causes this issue?

The hierarchy attribute from reference has the same name as the
referenced entity type. The data element specified is therefore not
allowed.

System Response

The data model will not be saved or generated.

How to fix this error?

Enter a different name for the hierarchy attribute from reference or do
not specify a data element.

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.

USMD1501 - Details

• The SAP error message USMD1501 typically occurs in the context of Master Data Governance (MDG) when there is an issue with the data model configuration, particularly related to the data elements and attributes defined in the hierarchy.
  
  Cause:
  The error message indicates that there is a problem with the data element configuration for a specific node in the hierarchy. Specifically, it suggests that the data element being referenced is not allowed for the specified hierarchy attribute. This can happen due to several reasons:
  
  Incorrect Data Element Assignment: The data element assigned to a particular attribute in the hierarchy is not compatible or is not allowed for that specific node.
  Hierarchy 
  Configuration Issues: The hierarchy might not be properly configured, leading to inconsistencies in how data elements are defined and used.
  Data Model Changes: If there have been recent changes to the data model, such as adding or modifying attributes, it may lead to this error