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SQL Server error code

SQL Server error 5304

SQL Server raises error 5304 at severity 16, which marks a problem with the query or data that you can correct.

Bulk copy failed. User does not have ALTER TABLE permission on table '%.*ls'. ALTER TABLE permission is required on the target table of a bulk copy operation if the table has triggers or check constraints, but 'FIRE_TRIGGERS' or 'CHECK_CONSTRAINTS' bulk hints are not specified as options to the bulk copy command.
Msg5304
Severity16
Group5000–5999

Source: Database Engine events and errors