How To Fix USMD1021 - Data model &1, entity type &2, relat. &3: Specify To-entity type

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 021

• Message text: Data model &1, entity type &2, relat. &3: Specify To-entity type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1021 - Data model &1, entity type &2, relat. &3: Specify To-entity type ?

  The SAP error message USMD1021 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the configuration of a data model, specifically related to entity types and relationships. This error indicates that a "To-entity type" has not been specified for a relationship in the data model.
  Cause:
  The error is caused by a missing configuration in the data model where a relationship between two entity types is defined, but the target entity type (the "To-entity type") has not been specified. This can happen due to:
  
  Incomplete Configuration: When setting up the data model, the relationship between entities may not have been fully defined.
  Data Model Changes: If changes were made to the data model, such as adding or modifying relationships, the necessary configurations may not have been updated accordingly.
  Custom Development: If there are custom entities or relationships, they may not have been properly configured.
  
  Solution:
  To resolve the USMD1021 error, follow these steps:
  
  
  Check Data Model Configuration:
  
  Go to the SAP MDG configuration transaction (usually MDGIMG).
  Navigate to the relevant data model and check the relationships defined between entity types.
  Ensure that all relationships have both "From-entity type" and "To-entity type" specified.
  
  
  
  Define Missing To-Entity Type:
  
  If you find a relationship without a specified "To-entity type", you need to define it.
  Edit the relationship and specify the appropriate target entity type.
  
  
  
  Validate Changes:
  
  After making changes, validate the data model to ensure that there are no further issues.
  You can use the validation tools available in the MDG configuration to check for inconsistencies.
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that the changes are transported to the quality and production environments as needed.
  
  
  
  Testing:
  
  After making the necessary changes, perform tests to ensure that the data model works as expected and that the error no longer occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the USMD1021 error.
  Documentation: Refer to the official SAP documentation for Master Data Governance for detailed information on configuring data models and relationships.
  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 resolve the USMD1021 error and ensure that your data model is correctly configured.