Seaquel
SQL Server error code

SQL Server error 359

SQL Server raises error 359 at severity 16, which marks a problem with the query or data that you can correct.

The target '%.*ls' of an OUTPUT INTO clause has an index with the ignore_dup_key option and cannot be used when an OUTPUT clause is also used.
Msg359
Severity16
Group0–999

Source: Database Engine events and errors