Getting NullRefs when opening dialogue tree editor

[keenanwoodall]

I just created a brand new project, Unity 2018.1.2f1. When I try and edit a dialogue tree, the window opens but is empty and a nullref gets logged constantly to the console. It’s trying to get the “canvasBG” custom style. I checked, and it appears to be there so I’m not sure what the issue is.

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NullReferenceException: Object reference not set to an instance of an object NodeCanvas.Editor.CanvasStyles.get_canvasBG () (at Assets/ParadoxNotion/NodeCanvas/Framework/Design/PartialEditor/CanvasStyles.cs:97) NodeCanvas.Editor.GraphEditor.OnGUI () (at Assets/ParadoxNotion/NodeCanvas/Framework/Design/Editor/Windows/GraphEditor.cs:464) System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222) Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation. System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:232) System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MethodBase.cs:115) UnityEditor.HostView.Invoke (System.String methodName, System.Object obj) (at C:/buildslave/unity/build/Editor/Mono/HostView.cs:291) UnityEditor.HostView.Invoke (System.String methodName) (at C:/buildslave/unity/build/Editor/Mono/HostView.cs:284) UnityEditor.HostView.InvokeOnGUI (Rect onGUIPosition) (at C:/buildslave/unity/build/Editor/Mono/HostView.cs:251) UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

[Gavalakis]

Hello,

Is this error once after you’ve just imported the package?
If so, have you tried to please restart Unity?

Let me know.
Thank you.

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