How To Fix MU022 - The material & does not have the correct material class

SAP Error Message - Details

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 022

• Message text: The material & does not have the correct material class

What causes this issue?

When maintaining the components for a
<DS:GLOS.structured_material>structured material</>, only materials
with the same material class are allowed.

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 another material with the same material class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MU022 - The material & does not have the correct material class ?

  The SAP error message MU022 indicates that the material you are trying to process does not have the correct material class assigned to it. This error typically occurs in the context of material management and inventory processes, particularly when dealing with material master data.
  Cause:
  
  Incorrect Material Class Assignment: The material may not be assigned to the appropriate material class that is required for the transaction you are attempting to perform.
  Missing Configuration: The material class may not be configured correctly in the system, or the material type may not be compatible with the operations you are trying to execute.
  Data Entry Errors: There may be a mistake in the material master data entry, leading to the incorrect classification of the material.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify the material class assigned to the material. Ensure it is the correct class for the intended operations.
  
  
  
  Review Material Class Configuration:
  
  Check the configuration of the material class in the system (transaction code OMN1 for material types).
  Ensure that the material class is set up correctly and that it allows for the operations you are trying to perform.
  
  
  
  Reassign Material Class:
  
  If the material is incorrectly classified, you may need to change the material class. This can be done using transaction code MM02 to modify the material master data.
  Ensure that the new material class is compatible with the processes you intend to use.
  
  
  
  Consult with SAP Basis or Functional Team:
  
  If you are unsure about the correct material class or how to change it, consult with your SAP Basis or functional team for assistance. They can provide guidance on the correct configuration and classification.
  
  
  
  Check for Authorizations:
  
  Ensure that you have the necessary authorizations to view and modify material master data.
  
  
  
  Related Information:
  
  Material Types: Different material types in SAP (e.g., raw materials, finished goods, semi-finished goods) have specific characteristics and are assigned to different material classes.
  Material Class: Material classes are used to group materials with similar characteristics and are essential for various processes, including inventory management, valuation, and reporting.
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  OMN1: Configure Material Types
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  
  By following these steps, you should be able to resolve the MU022 error and ensure that your material is correctly classified for the operations you need to perform.