Kentico Kontent Sample Entry Model Output

kclt.Program+FieldTypesEntry
NumberField: 5
StringField: String Field Value
RichTextField: <p>This is <strong>Formatted</strong> Text</p>
DateTimeField: 7/30/2020 12:00:00 AM
Unhandled exception. System.NullReferenceException: Object reference not set to an instance of an object.
   at kclt.Program.FieldTypesEntry.Render() in C:\temp\deliverystack\kclt\Program.cs:line 27
   at kclt.Program.Main(String[] args) in C:\temp\deliverystack\kclt\Program.cs:line 44