How To Fix CNV_DMC_WDA034 - Object is locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 034

• Message text: Object is locked by user &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_WDA034 - Object is locked by user &1 ?

  The SAP error message CNV_DMC_WDA034: Object is locked by user &1 typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that a specific object (such as a data record or a migration object) is currently locked by another user, preventing the current user from accessing or modifying it.
  Cause:
  
  Concurrent Access: Another user or process is currently working on the same object, leading to a lock.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the object for an extended period.
  System Configuration: Certain configurations or settings in the SAP system may lead to locking behavior.
  
  Solution:
  
  Identify the Locking User: Check who is currently locking the object. You can use transaction code SM12 to view the lock entries and identify the user holding the lock.
  Wait for Release: If the lock is held by another user, you may need to wait until they complete their transaction and release the lock.
  Contact the User: If possible, communicate with the user who is holding the lock to understand their progress and whether they can release the object.
  Force Unlock (with Caution): If necessary and if you have the appropriate authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies or loss of work for the other user.
  Review Processes: If this issue occurs frequently, consider reviewing the processes and workflows to minimize concurrent access to the same objects.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that might provide additional context.
  
  
  Documentation: Refer to SAP Notes and documentation related to the Data Migration Cockpit for best practices and troubleshooting steps.
  User Training: Ensure that users are trained on how to manage locks and avoid conflicts during data migration processes.
  
  By following these steps, you should be able to resolve the CNV_DMC_WDA034 error and continue with your data migration tasks.