How To Fix WM484 - Material group & does not exist

WM484 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 484

• Message text: Material group & does not exist

What causes this issue?

You attempted to assign the material to an assortment module. It has
already been assigned to this assortment module for a specified period,
however.

System Response

You cannot assign the material to the assortment module twice.

How to fix this error?

Change the selection date on the initial screen. The system will then
display the material that you attempted to add to the module and the
period for which it is listed. You can now change the validity period.

Error message extract from SAP system. Copyright SAP SE.

WM484 - Details

• The SAP error message WM484 ("Material group & does not exist") typically occurs in the Warehouse Management (WM) module when the system cannot find a specified material group in the master data. This can happen during various processes, such as goods movements, inventory management, or when trying to create or manage warehouse tasks.
  
  Cause:
  
  Non-Existent Material Group: The material group specified in the transaction does not exist in the system.
  Incorrect Configuration: The material group may not be properly configured or may have been deleted or deactivated.
  Data Entry Error: There may be a typographical error in the material group code entered by the user.
  Missing Master Data: The material master data may not have been created or updated correctly.
  
  
  Solution:
  
  Check Material Group: Verify that the material group exists in the system. You can do this by navigating to the relevant transaction (e.g., MM03 for material master) and checking the material group field.
  Create/Update Material Group: If