How To Fix MDG_BS_BP_DATAREPL001 - Only 1 subclass of &1 is supported

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_BP_DATAREPL - Messages for Business Partner Data Replication

• Message number: 001

• Message text: Only 1 subclass of &1 is supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_BP_DATAREPL001 - Only 1 subclass of &1 is supported ?

  The SAP error message MDG_BS_BP_DATAREPL001: Only 1 subclass of &1 is supported typically occurs in the context of Master Data Governance (MDG) for Business Partners (BP). This error indicates that the system is trying to replicate or process a business partner that has multiple subclasses, but the operation only supports one subclass at a time.
  Cause:
  
  Multiple Subclasses: The business partner in question has been assigned multiple subclasses, which is not supported for the operation being performed (e.g., replication, data transfer).
  Configuration Issues: There may be a misconfiguration in the business partner setup or in the MDG settings that allows for multiple subclasses when only one is expected.
  Data Integrity Issues: The data being processed may not conform to the expected structure, leading to this error.
  
  Solution:
  
  
  Check Business Partner Configuration:
  
  Go to the transaction code BP and check the business partner in question.
  Verify the subclasses assigned to the business partner. Ensure that only one subclass is assigned if the operation requires it.
  
  
  
  Adjust Data:
  
  If the business partner has multiple subclasses, you may need to adjust the data to ensure that only one subclass is assigned.
  This may involve editing the business partner record to remove unnecessary subclasses.
  
  
  
  Review MDG Settings:
  
  Check the MDG configuration settings to ensure that they align with the expected behavior for business partner replication.
  Ensure that the replication model is set up correctly to handle the business partner subclasses.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to MDG and business partner replication for any specific guidelines or updates that may address this issue.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the replication or data transfer process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP (Business Partner), MDGIMG (MDG Implementation Guide), and others that may help in troubleshooting.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support for further assistance.