How To Fix MDG_BS_ECC_SUPPLIER029 - Vendor &1 is already assigned to business partner &2

MDG_BS_ECC_SUPPLIER029 - Overview

• Message type: E = Error

• Message class: MDG_BS_ECC_SUPPLIER - Master Data Processes ECC Supplier

• Message number: 029

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

What causes this issue?

The vendor &v1& is already used and assigned to another business partner
than the currently processed.

System Response

The currently processed incorrect business partner is set to the
post-processing office (forward error handling) for correction.

How to fix this error?

In the post-processing office
<DS:TRAS./SAPPO/PPO2>/SAPPO/PPO2</> open the incorrect business partner
and process it.
Under the node SUPPLIER change the corresponding supplier receiver ID
and save.
Restart the process.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MDG_BS_ECC_SUPPLIER029 - Details

• The SAP error message MDG_BS_ECC_SUPPLIER029 indicates that a vendor (supplier) is already assigned to a business partner in the system. This typically occurs in the context of SAP Master Data Governance (MDG) when trying to create or modify a vendor that is already linked to an existing business partner.
  
  Cause:
  The error arises when:
  
  You attempt to create a new vendor or modify an existing vendor in the MDG system, but the vendor number you are using is already associated with another business partner.
  There is a duplicate entry in the system where the same vendor is linked to multiple business partners, which is not allowed.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use transaction codes like BP (Business Partner) or MK03 (Display Vendor) to check the existing assignments of the vendor and business partner.
  Verify if the vendor is indeed assigned to another business partner.
  
  
  
  Identify Duplicates:
  
  If you find that the vendor