How To Fix CRMS4_PS_BUFFER204 - Enqueue: At least one object has not been locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CRMS4_PS_BUFFER - Social Services Buffer

• Message number: 204

• Message text: Enqueue: At least one object has not been locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRMS4_PS_BUFFER204 - Enqueue: At least one object has not been locked ?

  The SAP error message CRMS4_PS_BUFFER204 indicates that there is an issue with the enqueue mechanism in SAP, specifically related to the locking of objects. This error typically occurs when an attempt is made to access or modify an object that is not currently locked, or when there is a conflict with existing locks.
  Cause:
  
  Object Not Locked: The object you are trying to access or modify has not been locked properly. This can happen if the locking mechanism fails or if the lock was released unexpectedly.
  Concurrency Issues: Multiple users or processes may be trying to access the same object simultaneously, leading to conflicts.
  System Issues: There may be underlying issues with the SAP system, such as problems with the enqueue server or database inconsistencies.
  Transaction Rollback: If a transaction that was supposed to lock the object was rolled back, the lock would not be established.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can see if the object is locked by another user or process.
  Release Locks: If you find that the object is locked by a user who is no longer active, you can manually delete the lock entry from SM12 (ensure you have the necessary authorizations).
  Review Code: If this error occurs during custom development, review the code to ensure that the locking mechanism is implemented correctly. Make sure that the ENQUEUE function is called before accessing the object.
  System Monitoring: Monitor the enqueue server using transaction SMQ1 and SMQ2 to ensure that it is functioning correctly. Check for any errors or issues in the system logs.
  Restart Enqueue Server: If the enqueue server is not functioning properly, consider restarting it. This can sometimes resolve locking issues.
  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 lock entries.
  SM21: System log for checking system messages.
  SMQ1/SMQ2: Monitor the queue for asynchronous processing.
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on the enqueue mechanism and locking behavior.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.