How To Fix MDG_BS_BP_MLT_AS041 - Invalid class &1 (class type &3) in class assignment of customer &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_BP_MLT_AS - Messages for multiple assignment function

• Message number: 041

• Message text: Invalid class &1 (class type &3) in class assignment of customer &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_AS041 - Invalid class &1 (class type &3) in class assignment of customer &2 ?

  The SAP error message MDG_BS_BP_MLT_AS041 indicates that there is an issue with the class assignment of a customer in the Master Data Governance (MDG) for Business Partner (BP) module. Specifically, the error states that there is an "Invalid class" for a given class type in the context of a customer.
  Cause:
  
  Invalid Class Assignment: The class assigned to the customer does not exist or is not valid for the specified class type. This could happen if the class was deleted or if there is a typo in the class name.
  Configuration Issues: The class type may not be properly configured in the system, or the class may not be assigned to the correct class type.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as incorrect mappings or missing entries in the classification tables.
  
  Solution:
  
  
  Check Class Assignment:
  
  Go to the classification view of the customer in the SAP GUI and verify that the class assigned is valid and exists in the system.
  Ensure that the class type is correctly defined and that the class is assigned to the appropriate class type.
  
  
  
  Validate Configuration:
  
  Check the configuration settings for the class types and classes in the SAP system. Ensure that the class type is correctly set up in the Customizing settings (transaction code SPRO).
  Navigate to Logistics General > Classification > Class Types and verify the settings.
  
  
  
  Review Data:
  
  If the error occurs during data import or migration, review the data being imported to ensure that it adheres to the expected format and that all required fields are populated correctly.
  Check for any inconsistencies in the data that might lead to this error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the MDG and classification to see if there are any known issues or additional steps required for your specific version of SAP.
  
  
  
  Debugging:
  
  If you have access to development tools, you can debug the process to identify where the error is occurring and gather more information about the invalid class.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CL02 (Change Class) or CL03 (Display Class) to manage class definitions.
  SAP Notes: Check SAP Notes for any patches or updates related to this error message. You can search for the error message number in the SAP Support Portal.
  Master Data Governance: Familiarize yourself with the MDG processes and how they interact with Business Partner data to better understand the context of the error.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.