How To Fix MDG_BS_BP_MLT_AS005 - Supplier &1 is already assigned to business partner &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_BP_MLT_AS - Messages for multiple assignment function

• Message number: 005

• Message text: Supplier &1 is already assigned to business partner &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_BP_MLT_AS005 - Supplier &1 is already assigned to business partner &2 ?

  The SAP error message MDG_BS_BP_MLT_AS005 indicates that a supplier (or business partner) is already assigned to another business partner in the system. This typically occurs in the context of Master Data Governance (MDG) for Business Partners when there is an attempt to assign a supplier to a business partner that is already linked to a different business partner.
  Cause:
  
  Duplicate Assignment: The supplier you are trying to assign is already associated with another business partner in the system.
  Data Integrity Rules: SAP MDG enforces data integrity rules to prevent duplicate entries and maintain consistency in business partner assignments.
  Incorrect Data Entry: There may be a misunderstanding or error in the data entry process, leading to attempts to assign the same supplier to multiple business partners.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like BP (Business Partner) to check the existing assignments of the supplier. Look for the business partner number that is already linked to the supplier.
  
  
  
  Reassign or Modify:
  
  If the supplier needs to be reassigned, you may need to remove the existing assignment from the current business partner before assigning it to the new one.
  Ensure that the business partner data is correctly maintained and that the supplier is not needed in its current assignment.
  
  
  
  Data Cleanup:
  
  If there are duplicates or incorrect assignments, consider cleaning up the data to ensure that each supplier is uniquely assigned to the appropriate business partner.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidelines on managing business partner assignments in your version of SAP MDG.
  
  
  
  Error Handling:
  
  Implement error handling in your data processing logic to catch such issues before they result in errors.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP, MDG, and others that pertain to business partner management.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  MDG Configuration: Review the configuration settings in your MDG system to ensure that they align with your business processes and data governance policies.
  
  By following these steps, you should be able to resolve the error and ensure proper management of business partner assignments in your SAP system.