When running a basic debug.log script in Generated mode errors continually spam the console. 

!image-2020-07-16-15-44-45-252.png!

Steps to reproduce
* Download the 2.0.0a12 alpha build from [here|https://drive.google.com/drive/u/1/folders/1ODflWvcy8VXoy8-Lm-VapqEEytXP5Mow]
* Create a new 2019.4.1f1 project and install the alpha by dragging and dropping the package
* Create a blank game object in the hierarchy
* Select the blank game object and add a new bolt class via the add component button in the inspector. 
* In the new bolt class creates a new flow graph. 
* Select the start function and add a debug.log and a sting Litteral node to it.
* Switch to Generated mode via the play options
* Press play

Notice issue >> NullReferenceException: Object reference not set to an instance of an object is constantly spewed to the log. 
{code:java}
Unity.Bolt.BoltClassShellGraphRoot..ctor (Unity.Bolt.IBoltClassShell shell, Unity.Bolt.IBoltClassGraph graph) (at Assets/Bolt/Bolt.Core/Runtime/BTS/BoltClassShellGraphRoot.cs:22)
Unity.Bolt.BoltClassShellTrait.CreateTransientGraphInstance (Unity.Bolt.IBoltClassGraph graph) (at Assets/Bolt/Bolt.Core/Runtime/BTS/BoltClassShellTrait.cs:496)
Unity.Bolt.BoltClassShellTrait.GetOrCreateGraphInstance (Unity.Bolt.IBoltClassGraph graph) (at Assets/Bolt/Bolt.Core/Runtime/BTS/BoltClassShellTrait.cs:483)
Unity.Bolt.BoltClassShellTrait.ManualInvokeEvent (Unity.Bolt.EventHookID eventHookID) (at Assets/Bolt/Bolt.Core/Runtime/BTS/BoltClassShellTrait.cs:926)
Unity.Bolt.BoltUnityClassShellTrait.OnDrawGizmosSelected () (at Assets/Bolt/Bolt.Core/Runtime/BTS/BoltUnityClassShellTrait.cs:76)
Unity.Bolt.BoltComponent.OnDrawGizmosSelected () (at Assets/Bolt/Bolt.Core/Runtime/BTS/BoltComponent.cs:158)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr){code}
Project files: [Here|https://drive.google.com/file/d/1dc4jbU71-uxHlA-SYg5huT-Mbthlw_C0/view?usp=sharing]

Tested Broken with Unity 2014.1.1f1, 2019.3.15f1, 2020.1.b12

Tested Working with Bolt 2.0.0a12 Release and Unity 2018.4.23f1