How To Fix BUP002 - Internal key for segment &1 is not unique

BUP002 - Overview

• Message type: E = Error

• Message class: BUP - Business Partner Messages

• Message number: 002

• Message text: Internal key for segment &1 is not unique

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 BUP002 - Internal key for segment &1 is not unique ?

  The SAP error message BUP002 indicates that there is a problem with the uniqueness of the internal key for a business partner segment. This typically occurs when you are trying to create or modify a business partner (BP) and the system detects that the internal key for a specific segment is not unique, which is a requirement for the business partner data model.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries in the database for the business partner segment you are trying to create or modify. This can happen if the same business partner is being created multiple times or if there are inconsistencies in the data.
  Data Migration Issues: If data has been migrated from another system or if there have been bulk uploads, it is possible that duplicates were introduced during this process.
  Incorrect Configuration: There may be issues with the configuration of the