How To Fix MDG_BS_BP_MLT_AS042 - Invalid class &1 (class type &3) in class assignment of supplier &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_BP_MLT_AS - Messages for multiple assignment function

• Message number: 042

• Message text: Invalid class &1 (class type &3) in class assignment of supplier &2

What causes this issue?

Usage of class &V1& for class type &V3& is not possible. Either it does
not exist or it is not supported in Lean Classification.

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?

Change the classification master data so that it can be used in Lean
Classification. Lean Classification is explained in note
<DS:URLA.HTTPS://SERVICE.SAP.COM/SAP/SUPPORT/NOTES/2479869>2479869</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_BP_MLT_AS042 - Invalid class &1 (class type &3) in class assignment of supplier &2 ?

  The SAP error message MDG_BS_BP_MLT_AS042 indicates that there is an issue with the class assignment for a supplier in the Master Data Governance (MDG) system. Specifically, the error states that the class specified is invalid for the given class type.
  Cause:
  
  Invalid Class Assignment: The class assigned to the supplier does not exist or is not valid for the specified class type. This can happen if the class was deleted or if there is a mismatch between the class type and the class assigned.
  Configuration Issues: There may be configuration issues in the classification system, such as missing or incorrect settings for the class type or class.
  Data Inconsistencies: There could be inconsistencies in the data being processed, such as incorrect entries in the classification data.
  
  Solution:
  
  
  Check Class Assignment:
  
  Go to the classification view of the supplier in the MDG application.
  Verify that the class assigned to the supplier is valid and exists in the system.
  Ensure that the class type matches the class assigned.
  
  
  
  Review Class Type Configuration:
  
  Check the configuration for the class type in the SAP system. Ensure that the class type is correctly defined and that the classes associated with it are valid.
  You can do this by navigating to the relevant configuration settings in the SAP system (transaction codes like CL02 for class maintenance).
  
  
  
  Data Validation:
  
  Validate the data being used for the supplier. Ensure that there are no typos or incorrect entries in the class or class type fields.
  If the data is being imported or migrated, check the source data for accuracy.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the error message for any specific guidance or updates that may address the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to classification and master data governance, such as CL02 (Class Maintenance), BP (Business Partner), and MDG transactions.
  SAP Notes: Search for SAP Notes related to MDG and classification errors, as they may provide additional insights or patches.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message MDG_BS_BP_MLT_AS042.