How To Fix MDG_BS_SUPPL_CHECK042 - Inconsistent key mapping for partner &1; update not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_SUPPL_CHECK - MDG: messages for check of supplier data

• Message number: 042

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

What causes this issue?

An error occurred during update of the key mapping for partner
<(>&<)>V1&..

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 key mapping manually in the appropriate web dynpro
application.

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_SUPPL_CHECK042 - Inconsistent key mapping for partner &1; update not possible ?

  The SAP error message MDG_BS_SUPPL_CHECK042 indicates that there is an inconsistency in the key mapping for a business partner in the Master Data Governance (MDG) system. This error typically arises when there is an attempt to update or change a business partner, but the key mapping between the business partner and its associated data is not consistent or valid.
  Cause:
  
  Inconsistent Key Mapping: The key mapping between the business partner and its related data (like addresses, roles, etc.) is not aligned. This can happen if the business partner has been modified or if there are discrepancies in the data.
  Missing or Incorrect Data: There may be missing or incorrect entries in the underlying tables that manage the key mappings.
  Data Replication Issues: If the business partner data is replicated from another system, there may be issues with the replication process that lead to inconsistencies.
  Custom Enhancements: If there are custom enhancements or modifications in the MDG process, they may inadvertently cause inconsistencies in the key mapping.
  
  Solution:
  
  Check Key Mapping: Review the key mapping for the business partner in question. Ensure that all related entries are consistent and correctly mapped.
  Data Validation: Validate the data associated with the business partner. Check for any missing or incorrect entries that could lead to inconsistencies.
  Recreate Key Mapping: If necessary, you may need to recreate the key mapping for the business partner. This can involve deleting the existing mapping and creating a new one.
  Check Replication Settings: If the business partner data is replicated from another system, check the replication settings and logs for any errors or issues that may have occurred during the replication process.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Debugging: If the issue persists, consider debugging the process to identify where the inconsistency is occurring. This may require technical expertise in SAP ABAP or MDG processes.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like BP (Business Partner) to view and manage business partner data.
  MDG Configuration: Review the configuration settings in the MDG system to ensure that they are set up correctly for key mapping and business partner management.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP documentation for MDG to understand the key mapping process and any specific requirements or constraints.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the error message MDG_BS_SUPPL_CHECK042.