How To Fix >U144 - Returns lot transfer &2 is already being used by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: >U -

• Message number: 144

• Message text: Returns lot transfer &2 is already being used by user &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message >U144 - Returns lot transfer &2 is already being used by user &1 ?

  The SAP error message "U144 Returns lot transfer &2 is already being used by user &1" typically indicates that a specific lot transfer process is currently locked or in use by another user. This can happen in scenarios where multiple users are trying to access or modify the same lot transfer simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Another user is currently processing the same lot transfer, which locks the record for editing.
  Session Timeout: A previous session may not have been properly closed, leaving the lot transfer in a locked state.
  System Lock: The system may have a lock on the lot transfer due to an incomplete transaction or a background job that is still running.
  
  Solution:
  
  Wait and Retry: If another user is processing the lot transfer, wait for them to complete their task and then try again.
  Check User Sessions: Use transaction code SM04 to check active user sessions. If you find a session that is holding the lock, you can contact the user to see if they can release it.
  Release Locks: If you have the necessary authorizations, you can use transaction code SM12 to view and delete locks. Be cautious with this approach, as it may disrupt other users' work.
  Check Background Jobs: Use transaction code SM37 to check if there are any background jobs that might be holding the lock on the lot transfer.
  System Restart: In some cases, a system restart may be necessary to clear any lingering locks, but this should be done with caution and typically requires coordination with your IT department.
  
  Related Information:
  
  Transaction Codes:
  
  SM04: Display active user sessions.
  SM12: Display and delete locks.
  SM37: Monitor background jobs.
  
  
  User Communication: If you identify the user who is holding the lock, communicate with them to resolve the issue.
  Documentation: Refer to SAP documentation or your organization's internal guidelines for handling locks and user sessions.
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or technical support for further assistance.