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

MG437 - Overview

• 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