How To Fix MG437 - The error file for & is locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 437

• Message text: The error file for & is locked by another user

What causes this issue?

The error file for this data transfer is already being processed by
another user. This typically happens when you want to process the error
file and transfer data at the same time.

System Response

The action is cancelled.

How to fix this error?

Locate the user locking the error file (table name TBIER) and contact
the person concerned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG437 - The error file for & is locked by another user ?

  The SAP error message MG437 indicates that a specific error file is locked by another user, which prevents the current user from accessing or processing it. This situation typically arises in the context of inventory management or material document processing, where multiple users may attempt to access the same error file simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently processing the same error file, leading to a lock on that file.
  Session Issues: A previous session may not have been closed properly, leaving the file in a locked state.
  System Configuration: Certain configurations or settings in the SAP system may lead to files being locked for longer than necessary.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their processing and then try again.
  Identify the Lock: Use transaction code SM12 to check for locks in the system. You can look for the user who is holding the lock and determine if it is appropriate to contact them.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from transaction SM12. However, this should be done with caution, as it may disrupt the other user's work.
  Check for Stale Sessions: If you suspect that a session is stuck, you can check for any stale sessions in transaction SM04 and log off any unnecessary sessions.
  Consult with Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate further, especially if there are systemic issues causing frequent locks.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM04: To view active user sessions.
  
  
  User Communication: If you identify the user holding the lock, it may be helpful to communicate with them to coordinate access to the error file.
  Documentation: Refer to SAP documentation or support notes for more detailed troubleshooting steps related to error handling in inventory management.
  
  By following these steps, you should be able to resolve the MG437 error and continue with your work in SAP.