Error code
SQL Server 2627
SQL SERVER2627
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.
What it means
violation of PRIMARY KEY or UNIQUE constraint — duplicate key value.
How to fix it
- Use MERGE or an existence check before inserting to prevent duplicate key inserts.
- Remove or update the conflicting row before retrying the INSERT.
- Review whether the application is generating duplicate identifiers and add deduplication logic.
Not affiliated with SQL Server. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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