How To Fix USMD7027 - Derivation of entity &1 of data model &2 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD7 - Validations and Derivations

• Message number: 027

• Message text: Derivation of entity &1 of data model &2 is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD7027 - Derivation of entity &1 of data model &2 is not allowed ?

  The SAP error message USMD7027 indicates that there is an issue with the derivation of an entity in a data model, specifically that the derivation is not allowed for the specified entity and data model. This error typically occurs in the context of SAP Master Data Governance (MDG) when working with data models and their entities.
  Cause:
  The error can be caused by several factors, including:
  
  Invalid Configuration: The entity may not be configured correctly in the data model, leading to restrictions on its derivation.
  Business Rules: There may be business rules or validation checks that prevent the derivation of the entity in certain contexts.
  Data Model Restrictions: The data model itself may have restrictions on which entities can derive from others, and the entity in question does not meet those criteria.
  Missing Dependencies: Required fields or dependencies for the derivation may be missing or not properly defined.
  
  Solution:
  To resolve the USMD7027 error, you can take the following steps:
  
  
  Check Configuration: Review the configuration of the data model and the specific entity to ensure that it is set up correctly. Look for any settings that might restrict derivation.
  
  
  Review Business Rules: Examine any business rules associated with the data model and the entity. Ensure that the derivation you are attempting to perform complies with these rules.
  
  
  Validate Dependencies: Ensure that all necessary fields and dependencies for the entity are correctly defined and populated. If any required fields are missing, populate them accordingly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific data model and entity you are working with. This can provide insights into any restrictions or requirements.
  
  
  Debugging: If you have access to debugging tools, you can trace the derivation process to identify where it is failing and why the derivation is not allowed.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional insights or solutions based on your specific configuration and use case.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide updates and patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Training and Documentation: Ensure that you and your team are familiar with the principles of data modeling in SAP MDG, as this knowledge can help prevent similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the USMD7027 error and implement a solution to resolve it.