How To Fix BUP_RELATIONS064 - Key is not unique

BUP_RELATIONS064 - Overview

• Message type: E = Error

• Message class: BUP_RELATIONS - BPR: Message Class for Relationship Segments

• Message number: 064

• Message text: Key is not unique

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BUP_RELATIONS064 - Key is not unique ?

  The SAP error message BUP_RELATIONS064: Key is not unique typically occurs in the context of Business Partner (BP) relationships. This error indicates that the system has encountered a situation where it expects a unique key for a relationship but has found multiple entries that match the criteria, leading to ambiguity.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the database for the same relationship type between business partners.
  Incorrect Data Entry: During the creation or modification of business partner relationships, incorrect or duplicate data may have been entered.
  Data Migration Issues: If data has been migrated from another system or through a batch process, it may have resulted in duplicate relationships being created.
  
  Configuration Issues: There may be issues with the configuration of the relationship types or the business partner roles that lead to non-unique keys.
  
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like BP (Business Partner) or