How To Fix MGV045 - Field group data locked by user &1. Version types cannot be maintained.

MGV045 - Overview

• Message type: E = Error

• Message class: MGV - Messages for material versions

• Message number: 045

• Message text: Field group data locked by user &1. Version types cannot be maintained.

What causes this issue?

User &v1& locks the assignment of the fields or field packages to the
field groups. This data is used for the maintenance of the version
types. When this is locked the version types cannot be maintained.

System Response

The system activates the display mode.

How to fix this error?

You have two options:
Maintain the version types later.
Contact user &v1& directly. It may be possible for this user to end
their work.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

MGV045 - Details

• The SAP error message MGV045 indicates that a field group is currently locked by a user, which prevents any changes to version types from being maintained. This typically occurs in the context of configuration or master data management within SAP, particularly in modules like Material Management (MM) or Production Planning (PP).
  
  Cause:
  
  User Lock: The field group is locked by another user who is currently editing or has not properly released the lock after their session.
  Session Timeout: A user may have left a session open, causing the lock to persist even after they are no longer actively working.
  System Error: Occasionally, system errors or crashes can lead to locks not being released properly.
  
  
  Solution:
  
  
  Identify the Locking User: 
  
  Use transaction code SM12 to view and manage locks. You can check which user is holding the lock on the field group.
  Look for the relevant entries and identify the user who has locked the data.
  
  
  
  Release the Lock:
  
  If