How To Fix WM426 - Value-only material & (possibly reference material) not fully maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 426

• Message text: Value-only material & (possibly reference material) not fully maintained

What causes this issue?

When you attempt to list a value-only material, the following problems
can arise:
The R/3 Retail status of the material is not maintained to a high enough
level (it should be at least 0, 5 and 6)
No value-only material has been entered in the material group master
The value-only material has not been created

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?

Maintain the necessary data.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM426 - Value-only material & (possibly reference material) not fully maintained ?

  The SAP error message WM426 indicates that there is an issue with a value-only material (or possibly a reference material) that has not been fully maintained in the system. This error typically arises in the context of Warehouse Management (WM) when trying to perform operations involving materials that are not properly configured.
  Cause:
  
  Incomplete Material Master Data: The material master record for the value-only material may be incomplete. This could mean that certain required fields are not filled out, or specific views (like the Warehouse Management view) are not maintained.
  Missing Warehouse Data: The material may not have been assigned to a warehouse or storage location, or the relevant data for the warehouse management module is missing.
  Incorrect Material Type: The material type may not be suitable for warehouse management processes, leading to this error.
  Reference Material Issues: If the material is a reference material, the reference itself may not be properly maintained.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Ensure that all necessary views are maintained, especially the Warehouse Management view.
  Verify that all required fields are filled out correctly.
  
  
  
  Maintain Warehouse Data:
  
  Ensure that the material is assigned to the correct warehouse and storage location.
  Check the Warehouse Management settings for the material to ensure they are correctly configured.
  
  
  
  Review Material Type:
  
  Confirm that the material type is appropriate for the operations you are trying to perform. If necessary, consult with your SAP administrator to see if a different material type should be used.
  
  
  
  Check Reference Material:
  
  If the material is a reference material, ensure that the reference material itself is fully maintained and configured correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on maintaining materials in the Warehouse Management module.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 - Display Material
  MM02 - Change Material
  MM01 - Create Material
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  User Roles: Ensure that the user has the necessary permissions to view and edit material master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Warehouse Management.