How To Fix WVMI202 - Supplier material &2 from supplier &1 not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: WVMI - Messages about enhancements for VMI

• Message number: 202

• Message text: Supplier material &2 from supplier &1 not unique

What causes this issue?

Only the material number for the vendor was entered for a material in
the IDoc. This material number is contained in several purchasing info
records and cannot therefore be used to determine a material.

System Response

IDoc inbound processing has been terminated.

How to fix this error?

Change the relevant purchasing info records so that the vendor material
number is uniquely assigned to exactly one material number, or ask the
vendor to use your material numbers.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WVMI202 - Supplier material &2 from supplier &1 not unique ?

  The SAP error message WVMI202 indicates that there is a problem with the uniqueness of a supplier material number in the system. Specifically, it means that the combination of the supplier and the material number is not unique, which can lead to issues in procurement and inventory management processes.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are multiple entries for the same supplier and material combination in the system. This can happen due to data entry errors or incorrect data migration.
  Incorrect Master Data: The material master or vendor master data may not be set up correctly, leading to conflicts in the identification of supplier materials.
  Configuration Issues: There may be issues with the configuration of the material management module that affect how supplier materials are handled.
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like MM03 (Display Material) or ME13 (Display Purchasing Info Record) to check if there are duplicate entries for the supplier and material combination.
  If duplicates are found, determine which entry is correct and delete or merge the unnecessary ones.
  
  
  
  Review Master Data:
  
  Ensure that the material master and vendor master data are correctly maintained. Check for any inconsistencies or errors in the data.
  If necessary, update the master data to ensure that each supplier-material combination is unique.
  
  
  
  Data Cleanup:
  
  If the issue arose from a data migration process, consider running a data cleanup or validation process to identify and resolve duplicates.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidelines on handling this error in your version of SAP.
  
  
  
  Configuration Review:
  
  If the issue persists, review the configuration settings in the material management module to ensure that they are set up correctly to handle supplier materials.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), ME11 (Create Purchasing Info Record), and ME12 (Change Purchasing Info Record).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that users have the appropriate roles and authorizations to view and modify supplier and material data.
  
  By following these steps, you should be able to resolve the WVMI202 error and ensure that your supplier material data is unique and correctly maintained in the SAP system.