How To Fix MDG_BS_BP_CHECK040 - Inconsistent key mapping for supplier &1; update not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_BP_CHECK - Messages for check of BP data

• Message number: 040

• Message text: Inconsistent key mapping for supplier &1; update not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_BP_CHECK040 - Inconsistent key mapping for supplier &1; update not possible ?

  The SAP error message MDG_BS_BP_CHECK040 indicates that there is an inconsistency in the key mapping for a supplier in the Master Data Governance (MDG) system. This error typically arises when there are issues with the mapping of business partner keys between different systems or within the same system, which prevents updates from being processed.
  Cause:
  
  
  Inconsistent Key Mapping: The key mapping for the supplier (business partner) is not consistent across the relevant systems or within the MDG framework. This could be due to:
  
  Missing or incorrect entries in the key mapping table.
  Changes in the business partner data that have not been properly synchronized.
  Deletion or modification of key mappings that are still referenced by existing records.
  
  
  
  Data Integrity Issues: There may be integrity issues in the underlying data, such as duplicate entries or incorrect relationships between business partners.
  
  
  Configuration Issues: Incorrect configuration settings in the MDG system or in the related backend systems can lead to key mapping inconsistencies.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Key Mapping:
  
  Go to the relevant key mapping tables (e.g., BUT020, BUT100, etc.) and verify that the mappings for the supplier in question are correct and consistent.
  Ensure that the keys are correctly assigned and that there are no duplicates or missing entries.
  
  
  
  Synchronize Data:
  
  If there have been recent changes to the business partner data, ensure that these changes have been properly synchronized across all relevant systems.
  Use the MDG data replication tools to refresh the data if necessary.
  
  
  
  Review Change Requests:
  
  If the error occurs during a change request, review the change request for any inconsistencies or errors in the data being submitted.
  Ensure that all required fields are filled out correctly and that there are no validation errors.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the MDG system to ensure that they are set up correctly for key mapping and business partner management.
  Consult with your SAP Basis or MDG configuration team if necessary.
  
  
  
  Consult Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages or warnings that may provide additional context for 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 logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like BP (Business Partner), MDGIMG (MDG Implementation Guide), or SLG1 (Application Log) to investigate and resolve the issue.
  Documentation: Refer to the SAP Help Portal for documentation on MDG and business partner management for more detailed guidance on key mapping and data governance processes.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the MDG_BS_BP_CHECK040 error.