How To Fix USMD1024 - Data model &1, entity type &2: Relationship &3 is assigned more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 024

• Message text: Data model &1, entity type &2: Relationship &3 is assigned more than once

What causes this issue?

An entity type with storage and use type <LS>1</></> <ZH>cannot</> be
assigned multiple relationships with the same name. This applies to both
direct and indirect assignments (using other entity types with storage
and use type <LS>4</>).

System Response

The data model cannot be saved or activated.

How to fix this error?

Use different names for the relationships.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1024 - Data model &1, entity type &2: Relationship &3 is assigned more than once ?

  The SAP error message USMD1024 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 assignment of relationships between entities. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  The error message indicates that a specific relationship (denoted by &3) between two entity types (denoted by &2) in a data model (denoted by &1) has been assigned more than once. This can happen due to:
  
  Duplicate Relationship Definitions: The same relationship is defined multiple times for the same entity type in the data model.
  Incorrect Configuration: There may be a misconfiguration in the data model where relationships are not uniquely defined.
  Data Model Changes: If changes were made to the data model (e.g., adding or modifying relationships), it may have inadvertently led to duplicates.
  
  Solution:
  To resolve the USMD1024 error, you can follow these steps:
  
  
  Check Data Model Configuration:
  
  Go to the data model configuration in the SAP MDG application.
  Review the relationships defined for the specified entity type and data model.
  Look for any duplicate entries for the relationship in question.
  
  
  
  Remove Duplicates:
  
  If you find that the relationship is defined more than once, remove the duplicate entries.
  Ensure that each relationship is uniquely defined for the entity type.
  
  
  
  Validate Changes:
  
  After making changes, validate the data model to ensure that there are no further issues.
  Test the data model to confirm that the error no longer occurs.
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that the changes are transported to the appropriate systems (e.g., quality assurance, production) after thorough testing.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on configuring relationships in the data model.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  MDG Configuration Guide: Review the Master Data Governance configuration guide for best practices on defining relationships and data models.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the USMD1024 error in your SAP MDG environment.