How To Fix MDG_MDF403 - System error while setting the lock

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 403

• Message text: System error while setting the lock

What causes this issue?

A system error occurred while the lock was being set.

System Response

Processing terminated

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_MDF403 - System error while setting the lock ?

  The SAP error message MDG_MDF403 indicates a system error that occurs while attempting to set a lock in the Master Data Governance (MDG) environment. This error can arise due to various reasons, and understanding the cause and potential solutions can help in resolving the issue.
  Possible Causes:
  
  Database Locking Issues: The error may occur if there are issues with database locks, such as deadlocks or contention for resources.
  Configuration Issues: Incorrect configuration settings in the MDG system can lead to locking problems.
  System Performance: High system load or performance issues can prevent the system from setting locks properly.
  Transport Issues: If there are issues with transport requests or changes that have not been properly imported, it may lead to inconsistencies.
  User Authorization: Lack of proper authorizations for the user trying to set the lock can also trigger this error.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  Database Lock Monitoring: Use transaction SM12 to check for existing locks in the database. If there are unnecessary locks, they can be deleted.
  Performance Monitoring: Monitor system performance using transaction ST22 (dump analysis) and ST03 (workload analysis) to identify any performance bottlenecks.
  Configuration Review: Verify the configuration settings in the MDG system to ensure they are set up correctly.
  User Authorizations: Ensure that the user has the necessary authorizations to perform the action that is causing the error.
  Restart Services: In some cases, restarting the relevant services or the application server may help resolve transient issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  
  Related Information:
  
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  Documentation: Review the official SAP documentation for MDG to ensure that all prerequisites and configurations are correctly implemented.
  
  By following these steps, you should be able to diagnose and resolve the MDG_MDF403 error effectively.