How To Fix CNVCMIS_A_10_MESSAGE018 - Enqueue_error

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVCMIS_A_10_MESSAGE -

• Message number: 018

• Message text: Enqueue_error

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVCMIS_A_10_MESSAGE018 - Enqueue_error ?

  The SAP error message CNVCMIS_A_10_MESSAGE018 with the description "Enqueue error" typically indicates that there is an issue with the enqueue mechanism in SAP, which is responsible for managing locks on objects to ensure data consistency during concurrent access.
  Cause:
  
  
  Lock Conflicts: The most common cause of an enqueue error is that the system is trying to acquire a lock on an object that is already locked by another process. This can happen if multiple users or processes are trying to access the same data simultaneously.
  
  
  System Resource Issues: If the SAP system is experiencing resource constraints (e.g., memory, CPU), it may not be able to handle enqueue requests properly.
  
  
  Database Issues: Problems with the underlying database, such as deadlocks or connection issues, can also lead to enqueue errors.
  
  
  Configuration Issues: Incorrect configuration of the enqueue server or related parameters can lead to issues in lock management.
  
  
  Solution:
  
  
  Identify Lock Conflicts: Use transaction codes like SM12 to check for existing locks. You can identify the user or process holding the lock and take appropriate action, such as waiting for the lock to be released or terminating the session if necessary.
  
  
  Check System Resources: Monitor system performance using transaction codes like SM50 or ST02 to identify any resource bottlenecks. If the system is under heavy load, consider optimizing performance or scaling resources.
  
  
  Review Configuration: Ensure that the enqueue server is properly configured. Check the settings in transaction RZ10 for profile parameters related to enqueue management.
  
  
  Database Health Check: If you suspect database issues, check the database logs for any errors or warnings. You may need to work with your database administrator to resolve any underlying issues.
  
  
  Restart Enqueue Server: In some cases, restarting the enqueue server can resolve transient issues. This can be done through transaction SMMS or by using the appropriate command in the operating system.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM12: Display and manage locks.
  SM50: Monitor active processes.
  ST02: Tune buffer and memory performance.
  RZ10: Maintain profile parameters.
  
  
  
  SAP Notes: Always check for the latest SAP Notes related to enqueue errors, as they may provide specific fixes or patches.
  
  
  Documentation: Refer to SAP Help documentation for more details on enqueue management and troubleshooting.
  
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.