How To Fix UMM_CUSTOMIZING012 - System error while locks were being checked

SAP Error Message - Details

• Message type: E = Error

• Message class: UMM_CUSTOMIZING - Messages from the Management Cockpit Maintenance Transaction

• Message number: 012

• Message text: System error while locks were being checked

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMM_CUSTOMIZING012 - System error while locks were being checked ?

  The SAP error message UMM_CUSTOMIZING012 indicates that there was a system error while locks were being checked in the context of the SAP system. This error typically occurs in the SAP system when there are issues related to the locking mechanism, which is crucial for ensuring data integrity during concurrent access.
  Causes:
  
  Database Lock Issues: The error may arise due to problems with database locks, such as deadlocks or locks not being released properly.
  System Performance: High system load or performance issues can lead to timeouts or failures in lock checks.
  Configuration Issues: Incorrect configuration in the system settings related to locking mechanisms can also trigger this error.
  Transport Issues: If there are issues with transport requests or changes being moved between systems, it may lead to inconsistencies in locks.
  Custom Code: Custom ABAP code or enhancements that improperly handle locks can also cause this error.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are stale locks, you may need to delete them.
  System Performance Monitoring: Monitor system performance using transaction codes like ST22 (dump analysis) and SM21 (system log) to identify any underlying issues.
  Review Configuration: Ensure that the configuration related to locks is correctly set up. This may involve checking settings in transaction SPRO.
  Transport Management: If the error is related to transport issues, ensure that all transports are correctly imported and that there are no inconsistencies.
  Debugging Custom Code: If you suspect that custom code is causing the issue, review and debug the relevant ABAP programs to ensure they handle locks correctly.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  ST22: Analyze short dumps.
  SM21: View system logs.
  SPRO: Access the SAP Reference IMG for configuration.
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  By following these steps, you should be able to diagnose and resolve the UMM_CUSTOMIZING012 error in your SAP system.