How To Fix OM444 - Mat. ledger type cannot be changed as valuation area &1 is live

OM444 - Overview

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 444

• Message text: Mat. ledger type cannot be changed as valuation area &1 is live

What causes this issue?

You are trying to change the assignment or characteristic of the
<DS:GLOS.3526B6D7AFAB52B9E10000009B38F974>material ledger category</>
although the material ledger is already productive in valuation area
&V1&.

System Response

The system will not allow the change because it could lead to
inconsistencies in valuation.
The system remakes the original setting.

Error message extract from SAP system. Copyright SAP SE.

OM444 - Details

• The SAP error message OM444 indicates that you are trying to change the material ledger type for a valuation area that is currently "live." This typically means that the valuation area (which can be a plant or company code) is actively using the material ledger for inventory valuation, and therefore, certain changes cannot be made without first addressing the live status.
  
  Cause:
  
  Live Status: The valuation area is set to "live," meaning that it is actively using the material ledger for transactions. Changes to the material ledger type are restricted in this state to maintain data integrity.
  Configuration Settings: The system configuration may not allow changes to the material ledger type once it is in use.
  
  
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check Live Status: Verify if the valuation area is indeed live. You can do this by checking the configuration settings in the SAP system.
  
  
  Deactivate Live Status: If you need