How To Fix MDG_MDF8121 - Internal error during building of GUI objects

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF8 - Change Management

• Message number: 121

• Message text: Internal error during building of GUI objects

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_MDF8121 - Internal error during building of GUI objects ?

  The SAP error message MDG_MDF8121 ("Internal error during building of GUI objects") typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the generation or rendering of GUI elements in the application. This can be due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying ABAP code.
  Possible Causes:
  
  Configuration Issues: Incorrect or incomplete configuration in the MDG settings can lead to this error.
  Data Inconsistencies: If the data being processed has inconsistencies or is not in the expected format, it can cause the GUI rendering to fail.
  Custom Code: If there are custom enhancements or modifications in the MDG application, they might interfere with the standard processing.
  System Bugs: There may be bugs in the version of SAP you are using that could lead to this error.
  Authorization Issues: Sometimes, insufficient authorizations can lead to unexpected behavior in the GUI.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the MDG application to ensure everything is set up correctly. Pay special attention to the data model and UI configuration.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or invalid entries. Use transaction codes like MDG_MDF to check the data.
  Review Custom Code: If there are any custom enhancements, review the code for potential issues. Temporarily disable custom code to see if the error persists.
  Check SAP Notes: Look for relevant SAP Notes that might address this specific error. SAP frequently releases notes that fix known issues.
  Debugging: If you have access to the development environment, you can debug the application to identify the exact point of failure.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that might provide more context.
  Update SAP: Ensure that your SAP system is up to date with the latest support packages and patches, as these may contain fixes for known issues.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Help Portal: Refer to the official SAP Help documentation for MDG for detailed information on configuration and troubleshooting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDG_MDF, SLG1, and SE80 for debugging and analysis.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.