I'm not sure why you'd get those errors - can you try a different tax year and see if you get the same thing?

You could also try adding these lines above where the ExecuteReader() happens - line 32 for my code - to see if it's able to even get the table names from the database:

 var schema = connection.GetSchema("tables");
foreach (System.Data.DataRow row in schema.Rows)
{
Console.WriteLine(row["TABLE_NAME"]);
}

 Might want to try uninstalling and reinstalling the Lacerte ODBC driver as well.