Seaquel
SQL Server error code

SQL Server error 4004

SQL Server raises error 4004 at severity 16, which marks a problem with the query or data that you can correct.

Unicode data in a Unicode-only collation or ntext data cannot be sent to clients using DB-Library (such as ISQL) or ODBC version 3.7 or earlier.
Msg4004
Severity16
Group4000–4999

Source: Database Engine events and errors