How To Fix CMS_SEC031 - Business partner ID &1 already exists in parnter function &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_SEC - CMS Securities Add-on

• Message number: 031

• Message text: Business partner ID &1 already exists in parnter function &2

What causes this issue?

The business partner identifier that you have specified is already
maintained for the business partner function.

System Response

The system does not permit you to define duplicate assignments.

How to fix this error?

Specify either a different business partner identifier or the business
partner function.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS_SEC031 - Business partner ID &1 already exists in parnter function &2 ?

  The SAP error message CMS_SEC031 indicates that there is an attempt to create or assign a business partner (BP) ID that already exists in the specified partner function. This error typically arises in the context of managing business partners in SAP, particularly when dealing with customer/vendor relationships or other partner functions.
  Cause:
  
  Duplicate Business Partner ID: The primary cause of this error is that the Business Partner ID you are trying to create or assign already exists in the system for the specified partner function.
  Incorrect Data Entry: There may be a typographical error in the Business Partner ID or partner function being used.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not properly handled.
  Configuration Issues: There may be configuration settings that are causing the system to incorrectly identify existing partners.
  
  Solution:
  
  
  Check Existing Business Partners: 
  
  Use transaction code BP to search for the existing Business Partner ID in the system. Verify if the ID already exists for the specified partner function.
  
  
  
  Use a Different ID: 
  
  If the Business Partner ID is indeed taken, consider using a different ID that is not already in use.
  
  
  
  Review Partner Functions: 
  
  Ensure that you are assigning the Business Partner ID to the correct partner function. Check the configuration of partner functions to ensure they are set up correctly.
  
  
  
  Data Cleanup: 
  
  If duplicates are found due to data migration or other issues, you may need to clean up the data. This could involve deleting or merging duplicate Business Partner records.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to Business Partner management for any specific guidelines or known issues.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  BP: Business Partner Maintenance
  SE11: Data Dictionary (to check table structures)
  SE16N: Data Browser (to view existing Business Partner records)
  
  
  
  Business Partner Roles: Understand the different roles and partner functions associated with Business Partners in SAP, as this can affect how they are managed.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  By following these steps, you should be able to resolve the CMS_SEC031 error and successfully manage your Business Partner records in SAP.