How To Fix MDG_BS_ECC_SUPPLIER023 - Mapping between &1 and vendor &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_ECC_SUPPLIER - Master Data Processes ECC Supplier

• Message number: 023

• Message text: Mapping between &1 and vendor &2 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_ECC_SUPPLIER023 - Mapping between &1 and vendor &2 already exists ?

  The SAP error message MDG_BS_ECC_SUPPLIER023 indicates that there is an attempt to create a mapping between a specific business partner (represented by &1) and a vendor (represented by &2) that already exists in the system. This typically occurs in the context of Master Data Governance (MDG) for suppliers when trying to establish a relationship between a business partner and a vendor in the backend ECC system.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Mapping: The mapping between the business partner and the vendor already exists in the system. This could happen if the mapping was previously created and not deleted or if there was an attempt to create the same mapping again.
  Data Entry Error: There might be a mistake in the data entry where the same business partner and vendor combination is being used inadvertently.
  System Configuration: There could be issues with the configuration of the MDG system or the underlying ECC system that is causing the system to not recognize existing mappings correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Mappings:
  
  Use transaction codes like BP (Business Partner) or MK03 (Display Vendor) to check if the mapping between the specified business partner and vendor already exists.
  If it does exist, you may need to review whether the mapping is still valid or if it needs to be updated.
  
  
  
  Delete or Modify Existing Mapping:
  
  If the mapping is no longer needed, you can delete it using the appropriate transaction (e.g., BP for Business Partner).
  If the mapping needs to be modified, make the necessary changes to ensure that it reflects the correct relationship.
  
  
  
  Review Data Entry:
  
  Ensure that the data being entered is correct and does not duplicate existing mappings. Double-check the business partner and vendor numbers for accuracy.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to MDG and vendor management for any specific guidelines or known issues that might relate to this error.
  
  
  
  System Configuration:
  
  If the issue persists, it may be necessary to consult with your SAP Basis or technical team to check for any configuration issues in the MDG or ECC system that could be causing this error.
  
  
  
  SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for further assistance, especially if this is a recurring problem.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP, MK01, MK02, MK03, and MDG related transactions for managing business partners and vendors.
  SAP Notes: Check for any SAP Notes that might address this specific error or provide additional troubleshooting steps.
  MDG Configuration: Understanding the configuration settings in MDG for supplier management can help prevent similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.