/IWFND/CM_DM055 - Lock failed for user '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DM -

• Message number: 055

• Message text: Lock failed for user '&1'

Self-Explanatory Message

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_DM055 - Lock failed for user '&1' ?

  The SAP error message /IWFND/CM_DM055 Lock failed for user '&1' typically occurs in the context of the SAP Gateway framework, particularly when there is an issue with locking mechanisms related to data management or service operations. This error indicates that a user is trying to access or modify a resource that is currently locked by another user or process.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing the same resource, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock longer than expected.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can lead to this error.
  System Configuration: Misconfiguration in the SAP Gateway or related components can lead to locking issues.
  User Session Issues: If a user session is not properly terminated, it may leave locks in place.
  
  Solutions:
  
  Identify the Lock: Use transaction SM12 to check for locks held by users. You can identify the user and the object that is locked.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from transaction SM12. Be cautious when doing this, as it may affect other users.
  Check for Long-Running Transactions: Investigate if there are any long-running transactions that are holding locks. You can use transaction SM66 to monitor active processes.
  Review User Sessions: Ensure that user sessions are properly closed and not left hanging, which can lead to locks.
  Increase Lock Timeout: If applicable, consider increasing the lock timeout settings in the system configuration to allow longer processing times.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM66: To monitor active processes.
  SM21: To check system logs for any related errors.
  
  
  SAP Gateway: Understanding the SAP Gateway framework and its locking mechanisms can help in troubleshooting.
  Performance Monitoring: Regularly monitor system performance and user activities to prevent locking issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.