How To Fix CNV_DMC_MC053 - The migration object is locked by user '&1'. Change mode is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 053

• Message text: The migration object is locked by user '&1'. Change mode is not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC053 - The migration object is locked by user '&1'. Change mode is not possible ?

  The SAP error message CNV_DMC_MC053 indicates that a migration object is currently locked by a specific user, which prevents any changes from being made to that object. This typically occurs during data migration processes using the SAP Data Migration Cockpit or similar tools.
  Cause:
  
  User Lock: The migration object is locked by another user who is currently working on it or has not released the lock after their session.
  Session Timeout: Sometimes, a session may not release the lock properly due to a timeout or an unexpected termination of the session.
  Concurrent Access: Multiple users trying to access or modify the same migration object simultaneously can lead to this error.
  
  Solution:
  
  Identify the Locking User: Check the user mentioned in the error message (represented as &1). You can use transaction code SM12 to view and manage locks in the system.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock held by the user. Be cautious when doing this, as it may disrupt the work of the user who is currently using the migration object.
  Contact the User: If possible, reach out to the user who has locked the migration object and ask them to release it or complete their work.
  Wait for Automatic Release: If the lock is due to a session timeout, it may be released automatically after a certain period.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check if there are any running jobs that might be causing the lock and coordinate accordingly.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that might provide additional context.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to manage locks and perform actions on migration objects.
  Documentation: Refer to SAP documentation or notes related to the Data Migration Cockpit for any specific guidelines or troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.