Seaquel
SQL Server error code

SQL Server error 4069

SQL Server raises error 4069 at severity 16, which marks a problem with the query or data that you can correct.

The final value of the output parameter was null, and could not be sent to a 6.5 client expecting the parameter to be non-nullable.
Msg4069
Severity16
Group4000–4999

Source: Database Engine events and errors