How To Fix /TMF/TDS054 - NF locked by &

SAP Error Message - Details

• Message type: E = Error

• Message class: /TMF/TDS -

• Message number: 054

• Message text: NF locked by &

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /TMF/TDS054 - NF locked by & ?

  The SAP error message /TMF/TDS054 NF locked by & typically indicates that a certain object (in this case, a "NF" or "Number Format") is currently locked by another user or process. This can happen in various scenarios, such as when multiple users are trying to access or modify the same object simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently using or modifying the Number Format, leading to a lock.
  Unfinished Transactions: A previous transaction that involved the Number Format may not have been completed properly, leaving it in a locked state.
  System Errors: Sometimes, system errors or crashes can leave objects in a locked state.
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to check for locks in the system. You can filter by the user or object type to find out who is holding the lock.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from SM12. Be cautious when doing this, as it may affect other users.
  Wait and Retry: If the lock is held by another user, you may need to wait until they finish their transaction and release the lock.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check transaction SM37 to see if any jobs are running that might be causing the lock.
  Contact the User: If you identify the user holding the lock, you can reach out to them to understand if they can release it or if they are still working on it.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are used to prevent data inconsistencies when multiple users access the same data.
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To check background jobs.
  SM21: To view system logs for any related errors.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks in the system.
  
  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 investigation.