Seaquel
SQL Server error code

SQL Server error 547

SQL Server raises error 547 at severity 16, which marks a problem with the query or data that you can correct.

The %ls statement conflicted with the %ls constraint "%.*ls". The conflict occurred in database "%.*ls", table "%.*ls"%ls%.*ls%ls.
Msg547
Severity16
Group0–999

Source: Database Engine events and errors