How To Fix USMD1071 - Data model &1, relationship &2 used for different From entity types

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 071

• Message text: Data model &1, relationship &2 used for different From entity types

What causes this issue?

Relationships of the type "referencing" with the same name must relate
to the same From entity type.

System Response

The data model cannot be saved.

How to fix this error?

Change the names of the relationships as required.

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 USMD1071 - Data model &1, relationship &2 used for different From entity types ?

  The SAP error message USMD1071 indicates that there is a conflict in the data model configuration, specifically regarding the use of a relationship between different entity types. This error typically arises in the context of SAP Master Data Governance (MDG) when defining relationships in the data model.
  Cause:
  The error occurs when a relationship defined in the data model is being used for different "From" entity types. In other words, the relationship is not consistently applied to the same type of entity across the data model. This inconsistency can lead to confusion in data governance processes, as the system expects a clear and consistent relationship structure.
  Solution:
  To resolve the USMD1071 error, you can follow these steps:
  
  
  Review the Data Model: Check the data model configuration to identify the relationship that is causing the issue. Look for the specific relationship mentioned in the error message.
  
  
  Check Entity Types: Verify the "From" entity types associated with the relationship. Ensure that the relationship is only being used with the intended entity types and not mixed with others.
  
  
  Modify the Relationship: If the relationship is incorrectly defined, you may need to modify it. This could involve:
  
  Removing the relationship from the incorrect entity type.
  Creating a new relationship that is specific to the correct entity types.
  Ensuring that the relationship is consistently applied across the relevant entity types.
  
  
  
  Test the Changes: After making the necessary adjustments, test the data model to ensure that the error no longer occurs and that the relationships function as expected.
  
  
  Documentation: Document any changes made to the data model for future reference and to maintain clarity for other users or developers working with the model.
  
  
  Related Information:
  
  SAP MDG Documentation: Refer to the official SAP documentation for Master Data Governance for detailed guidelines on data model configuration and relationship management.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error message.
  
  By following these steps, you should be able to resolve the USMD1071 error and ensure that your data model is correctly configured.