How To Fix MDG_GW_FIORI_MAT003 - Error while reading changed data

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_GW_FIORI_MAT - Message Class for MDG Material Fiori application

• Message number: 003

• Message text: Error while reading changed data

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_GW_FIORI_MAT003 - Error while reading changed data ?

  The SAP error message MDG_GW_FIORI_MAT003 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with reading changed data, particularly in Fiori applications related to material master data. This error can arise due to various reasons, including data inconsistencies, issues with the underlying data model, or problems with the configuration of the Fiori application.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing mandatory fields or invalid data formats.
  Authorization Issues: The user may not have the necessary authorizations to read or modify the data.
  Backend Service Issues: The OData service that the Fiori application is trying to access may not be functioning correctly or may not be properly configured.
  Caching Issues: Sometimes, caching issues can lead to stale data being read, causing errors.
  Configuration Errors: Incorrect configuration in the MDG or Fiori setup can lead to this error.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Verify the data being processed for any inconsistencies or missing fields. Ensure that all mandatory fields are filled out correctly.
  Use transaction codes like MDG_MAT to check the material data for any issues.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access and modify the material data. Check the roles and authorizations assigned to the user.
  
  
  
  Check OData Service:
  
  Use transaction /IWFND/MAINT_SERVICE to check if the OData service is active and properly configured.
  Test the OData service using the Service Explorer to ensure it is returning the expected data.
  
  
  
  Clear Cache:
  
  Clear the cache in the Fiori Launchpad and the browser. This can sometimes resolve issues related to stale data.
  You can also clear the cache for the OData service using transaction /IWFND/CACHE.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the MDG and Fiori applications to ensure they are set up correctly.
  Review any recent changes made to the system that could have affected the configuration.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) and the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for MDG and Fiori for detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken to troubleshoot.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the MDG_GW_FIORI_MAT003 error.