How To Fix MDGBP004 - Number &2 already assigned to partner &3 for ID type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDGBP - Master Data Governance: Business Partner specific messages

• Message number: 004

• Message text: Number &2 already assigned to partner &3 for ID type &1

What causes this issue?

In Customizing the uniqueness of the ID numbers is designated as the
identification category for the identification type. However the number
in question has already been assigned to another partner for this ID
type.

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?

Procedure for System Administrators

Check the settings in the Customizing activity
<DS:SIMG._CABP_V_TB039>Define Identification Categories</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDGBP004 - Number &2 already assigned to partner &3 for ID type &1 ?

  The SAP error message MDGBP004 indicates that there is a conflict with the assignment of a number to a partner for a specific ID type. This typically occurs in the context of master data management, particularly when dealing with business partners, customers, or vendors in SAP.
  Cause:
  The error message MDGBP004 is triggered when you attempt to assign a number (e.g., a business partner number) to a partner (e.g., a customer or vendor) that has already been assigned to another partner for the specified ID type. This can happen due to:
  
  Duplicate Assignments: The number you are trying to assign is already in use by another partner.
  Incorrect Data Entry: There may have been a mistake in entering the partner number or ID type.
  Data Migration Issues: If data was migrated from another system, there may be conflicts due to existing records.
  Configuration Issues: The system configuration may not allow for the reuse of certain ID types.
  
  Solution:
  To resolve the MDGBP004 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use transaction codes like BP (Business Partner) or SE16N (Data Browser) to check the existing assignments for the partner number and ID type in question.
  Look for the partner number in the relevant tables (e.g., BUT000 for business partners) to see if it is already assigned.
  
  
  
  Correct the Assignment:
  
  If the number is indeed already assigned, you will need to either:
  
  Choose a different number that is not in use.
  If the assignment is incorrect, you may need to delete or change the existing assignment.
  
  
  
  
  
  Review Configuration:
  
  Check the configuration settings for business partner management to ensure that the ID types are set up correctly and that there are no restrictions preventing the assignment.
  
  
  
  Data Cleanup:
  
  If the error is due to data migration, consider cleaning up the data to remove duplicates or inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more specific guidance related to your version of SAP and the context in which the error occurs.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP, SE16N, and SM37 (for job monitoring) to help diagnose and resolve issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Business Partner Roles: Understand the different roles and ID types associated with business partners in your SAP system, as this can affect how numbers are assigned.
  
  By following these steps, you should be able to identify the cause of the MDGBP004 error and implement a solution to resolve it.