How To Fix WM120 - MatGr / assortment grade: material and assortment do not match

WM120 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 120

• Message text: MatGr / assortment grade: material and assortment do not match

What causes this issue?

You can define which material groups are allowed in which assortment
grade for the assortment owner.

System Response

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

How to fix this error?

Choose a different assortment grade, or expand the master data for the
assortment owner, or use another listing procedure, or skip this error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM120 - MatGr / assortment grade: material and assortment do not match ?

  The SAP error message WM120, which states "MatGr / assortment grade: material and assortment do not match," typically occurs in the Warehouse Management (WM) module when there is a mismatch between the material group (MatGr) and the assortment grade assigned to a material. This can happen during various processes, such as goods movements, stock transfers, or inventory management.
  
  Cause:
  
  Mismatch in Configuration: The material group assigned to the material does not correspond to the assortment grade defined in the system. This can happen if the material was incorrectly classified or if the assortment grades were not properly set up in the system.
  Data Entry Errors: Incorrect data entry during the creation or modification of materials or assortment grades can lead to this error.
  Master Data Issues: The material master data may not be correctly maintained, leading to inconsistencies between the material group and assortment grade.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction