How To Fix MDG_GN121 - Error when executing building plan &1, object &2, key &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_GN - Messages from the Generator

• Message number: 121

• Message text: Error when executing building plan &1, object &2, key &3

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 MDG_GN121 - Error when executing building plan &1, object &2, key &3 ?

  The SAP error message MDG_GN121 typically occurs in the context of Master Data Governance (MDG) when there is an issue with the building plan or the object key being processed. This error can arise due to various reasons, such as missing data, incorrect configurations, or issues with the underlying data model.
  Cause:
  
  Missing or Incorrect Data: The object key or the building plan may not exist or may be incorrectly specified.
  Configuration Issues: There may be issues with the configuration of the MDG system or the specific data model being used.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the specified object or building plan.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the building plan from being executed correctly.
  
  Solution:
  
  Check Object Key and Building Plan: Verify that the object key and building plan specified in the error message are correct and exist in the system.
  Review Configuration: Ensure that the MDG configuration is set up correctly for the specific data model and that all necessary settings are in place.
  Authorization Check: Confirm that the user has the appropriate authorizations to perform the action. You may need to consult with your security team to ensure the user has the necessary roles assigned.
  Data Validation: Check for any inconsistencies or missing data in the records being processed. Ensure that all required fields are populated and valid.
  Logs and Traces: Review the application logs and traces for more detailed information about the error. This can provide insights into what specifically went wrong during the execution.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional troubleshooting steps or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error details and any relevant logs.
  
  By following these steps, you should be able to identify the root cause of the MDG_GN121 error and implement a suitable solution.