How To Fix CD024 - Enqueue system error in function group &

SAP Error Message - Details

• Message type: E = Error

• Message class: CD - Change Documents

• Message number: 024

• Message text: Enqueue system error in function group &

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 CD024 - Enqueue system error in function group & ?

  The SAP error message CD024, which indicates an "Enqueue system error in function group &," typically arises when there is an issue with the enqueue mechanism in the SAP system. This mechanism is responsible for managing locks on objects to ensure data consistency during concurrent access.
  Causes of CD024 Error
  
  Lock Table Issues: The lock table may be full or corrupted, preventing new locks from being created.
  Database Issues: Problems with the underlying database can lead to enqueue errors.
  System Resource Limitations: Insufficient memory or other system resources can cause enqueue failures.
  Configuration Issues: Incorrect configuration settings related to the enqueue server or the SAP instance.
  Network Issues: Problems with network connectivity between application servers and the enqueue server.
  
  Solutions to CD024 Error
  
  
  Check Lock Table:
  
  Use transaction code SM12 to check for existing locks. If the lock table is full, you may need to delete unnecessary locks.
  
  
  
  Monitor System Resources:
  
  Check system resources (memory, CPU, etc.) using transaction SM50 or SM66. Ensure that the system is not overloaded.
  
  
  
  Review Configuration:
  
  Verify the configuration of the enqueue server. Ensure that the settings in the instance profile are correct.
  Check the parameters related to the enqueue mechanism, such as enque/table_size and enque/lock_table_size.
  
  
  
  Database Health Check:
  
  Perform a health check on the database. Look for any issues that might be affecting its performance.
  Ensure that the database is not in a locked state or experiencing connectivity issues.
  
  
  
  Restart Enqueue Server:
  
  If the issue persists, consider restarting the enqueue server. This can sometimes resolve transient issues.
  
  
  
  Check SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Consult SAP Support:
  
  If the problem continues after trying the above solutions, it may be necessary to contact SAP support for further assistance.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: Check system logs for errors.
  SM50 / SM66: Monitor active processes.
  
  
  
  SAP Notes: Search for specific SAP Notes related to enqueue errors, as they may provide patches or additional troubleshooting steps.
  
  
  Documentation: Review SAP documentation on the enqueue mechanism for a deeper understanding of how it works and potential issues.
  
  
  By following these steps, you should be able to diagnose and resolve the CD024 error in your SAP system.