How To Fix USMD7014 - Key was modified during derivation for entity type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD7 - Validations and Derivations

• Message number: 014

• Message text: Key was modified during derivation for entity type &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD7014 - Key was modified during derivation for entity type &1 ?

  The SAP error message USMD7014, which states "Key was modified during derivation for entity type &1," typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the key fields of an entity being modified during the derivation process. This can happen when the system attempts to derive values for certain fields based on the data provided, but the key fields are altered in a way that is not allowed.
  Cause:
  
  Key Field Modification: The error usually indicates that a key field of the entity type (e.g., Business Partner, Material, etc.) was changed during the derivation process. This can happen if there are conflicting rules or logic in the derivation process that attempt to change the key fields.
  Inconsistent Data: If the data being processed has inconsistencies or if the derivation logic is not correctly set up, it can lead to this error.
  Custom Logic: If there are custom enhancements or modifications in the derivation logic, they might inadvertently change key fields, leading to this error.
  
  Solution:
  
  Review Derivation Logic: Check the derivation rules and logic defined for the entity type in question. Ensure that key fields are not being modified during the derivation process.
  Data Consistency: Validate the data being processed to ensure that it is consistent and adheres to the expected formats and values.
  Debugging: If you have access to the development environment, you can debug the derivation process to identify where the key field is being modified. This can help pinpoint the exact cause of the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific entity type and derivation process to understand any known issues or additional configuration that may be required.
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for assistance. They may provide patches or additional insights based on the specific version of your SAP system.
  
  Related Information:
  
  Entity Types: The error message will specify the entity type (denoted by &1) that is causing the issue. Understanding the specific entity type can help narrow down the investigation.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for handling key fields in derivation processes.
  Master Data Governance (MDG): Familiarize yourself with the MDG framework and how it handles data derivation, as this will provide context for troubleshooting the error.
  
  By following these steps, you should be able to identify and resolve the issue causing the USMD7014 error in your SAP system.