How To Fix /LTB/MC253 - Migration Object is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/MC -

• Message number: 253

• Message text: Migration Object is locked

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /LTB/MC253 - Migration Object is locked ?

  The SAP error message /LTB/MC253 Migration Object is locked typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the migration object you are trying to access is currently locked, preventing you from making changes or performing the migration.
  Causes:
  
  Concurrent Access: Another user or process is currently using the migration object, which locks it for editing or processing.
  Incomplete Previous Migration: A previous migration attempt may not have been completed successfully, leaving the object in a locked state.
  System Locking Mechanism: SAP uses locking mechanisms to ensure data integrity. If a transaction is not properly closed, it may leave the object locked.
  Configuration Issues: There may be configuration settings that inadvertently cause the object to be locked.
  
  Solutions:
  
  
  Check for Active Sessions: Use transaction code SM12 to check for any active locks on the migration object. If you find any locks that are no longer needed, you can delete them (ensure you have the necessary authorizations).
  
  
  Wait for Completion: If another user is working on the migration object, you may need to wait until they complete their task.
  
  
  Restart the Migration Process: If the previous migration attempt was interrupted, you may need to restart the migration process. Ensure that all previous sessions are closed properly.
  
  
  Check Logs: Review the migration logs for any errors or warnings that might indicate why the object is locked. This can provide insights into what went wrong during the migration.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed troubleshooting based on your specific system configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (to check system logs), and SLG1 (to view application logs).
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide additional context and troubleshooting steps specific to your version of SAP.
  User Authorizations: Ensure that you have the necessary authorizations to perform migration tasks and manage locks.
  
  By following these steps, you should be able to resolve the /LTB/MC253 Migration Object is locked error and proceed with your migration tasks.