NullReferenceException: Object reference not set to an instance of an object
UIPanel.get_worldCorners () (at Assets/NGUI/Scripts/UI/UIPanel.cs:616)
UIWidgetInspector.DrawAnchorHandle (.AnchorPoint anchor, UnityEngine.Transform myTrans, UnityEngine.Vector3[] myCorners, Int32 side, Int32 id) (at Assets/NGUI/Scripts/Editor/UIWidgetInspector.cs:335)
UIWidgetInspector.OnSceneGUI () (at Assets/NGUI/Scripts/Editor/UIWidgetInspector.cs:448)
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-runtime-and-classlibs/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-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:232)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MethodBase.cs:115)
UnityEditor.SceneView.CallOnSceneGUI ()
UnityEditor.SceneView.HandleSelectionAndOnSceneGUI ()
UnityEditor.SceneView.OnGUI ()
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-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222)