NullReference Exception

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Houdini Engine seems to run but I don't see any output.
I was able to get this HDA to work in C4D.

Should also note that I am working with Unity 2017.3B

This HDA needs two geometries, one subdivided mesh to do path following on and the other to use as a volume to select points.

any help much appreciated



NullReferenceException: Object reference not set to an instance of an object

UnityEngine.GUILayoutUtility.BeginLayoutGroup (UnityEngine.GUIStyle style, UnityEngine.GUILayoutOption options, System.Type layoutType) (at Cbuildslave/unity/build/Runtime/IMGUI/Managed/GUILayoutUtility.cs:296)
UnityEditor.EditorGUILayout.BeginVertical (UnityEngine.GUIContent content, UnityEngine.GUIStyle style, UnityEngine.GUILayoutOption options) (at Cbuildslave/unity/build/Editor/Mono/EditorGUI.cs:7846)
UnityEditor.EditorGUILayout.BeginVertical (UnityEngine.GUIStyle style, UnityEngine.GUILayoutOption options) (at Cbuildslave/unity/build/Editor/Mono/EditorGUI.cs:7831)
UnityEditor.InspectorWindow.DrawEditor (UnityEditor.Editor editors, Int32 editorIndex, Boolean rebuildOptimizedGUIBlock, System.Boolean& showImportedObjectBarNext, UnityEngine.Rect& importedObjectBarRect) (at Cbuildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1237)
UnityEditor.InspectorWindow.DrawEditors (UnityEditor.Editor editors) (at Cbuildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1022)
UnityEditor.InspectorWindow.OnGUI () (at Cbuildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:361)
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 Cbuildslave/unity/build/Editor/Mono/HostView.cs:295)

Attachments:
jmc_conLinesVolume_v4.hda (37.8 KB)

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Well it looks like I asked for help a bit too soon. Upon reloading and testing a clean scene it seems to be working, although I am still getting the same error messages.

I'll see if I can figure out what the difference is….


Jeff
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