How To Fix R1287 - Business partner with external number &1 already exists

R1287 - Overview

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 287

• Message text: Business partner with external number &1 already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R1287 - Business partner with external number &1 already exists ?

  The SAP error message R1287 indicates that there is an attempt to create or update a business partner (BP) with an external number that already exists in the system. This typically occurs when the external number assigned to the business partner is not unique, which is a requirement in SAP for business partner records.
  
  Cause:
  
  Duplicate External Number: The external number you are trying to assign to the business partner already exists in the system for another business partner.
  Incorrect Data Entry: There may have been a mistake in entering the external number, leading to an attempt to create a duplicate.
  Data Migration Issues: If data was migrated from another system, there may be conflicts with existing records in SAP.
  
  
  Solution:
  
  
  Check Existing Business Partners: 
  
  Use transaction code BP to search for existing business partners using the external number you are trying to use. This will help you confirm if the number is already in use.
  
  
  
  Use