Message type: E = Error
Message class: BUP_RELATIONS - BPR: Message Class for Relationship Segments
Message number: 064
Message text: Key is not unique
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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
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