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Fixed in 2020.1.X
Votes
0
Found in
2020.1.0a4
2020.1.0a13
Issue ID
1198750
Regression
Yes
[Animation] NullReferenceException is thrown when New Script is Added to Animation State from "Add Behaviour" in the Inspector
Adding New Script to Animation State causes editor to throw NullReferenceException, Refer attached video
Steps to repro:
Create a new Project
Project > right-click > Create > Animator Controller > Open
Animator Blackboard > right-click > Create State > Empty
Select "New State"
Inspector > Add Behaviour > New Script > Enter Name > Create and Add
Actual Result:
NullReferenceException errors are thrown in the console on adding New Script to Animation State.
Expected Result:
New script is added to Animation State without any exceptions
Reproducible in:
2020.1.0a13, 2020.1.0a4
Working Fine in:
2020.1.0a3, 2019.3.0b11.
Environment:
Windows 10 & macOS 10.14.
Stack trace:
NullReferenceException: Object reference not set to an instance of an object
UnityEditor.Graphs.AnimationStateMachine.StateMachineBehaviorsEditor.BuildEditorList (UnityEngine.StateMachineBehaviour[] behaviours) (at <fbf7b765d0734eb5a695036ccdd28df5>:0)
UnityEditor.Graphs.AnimationStateMachine.StateMachineBehaviorsEditor.OnInspectorGUI () (at <fbf7b765d0734eb5a695036ccdd28df5>:0)
UnityEditor.Graphs.AnimationStateMachine.StateEditor.OnInspectorGUI () (at <fbf7b765d0734eb5a695036ccdd28df5>:0)
UnityEditor.UIElements.InspectorElement+<>c__DisplayClass55_0.<CreateIMGUIInspectorFromEditor>b__0 () (at <c68d6dc296e3436796126be8249ff304>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
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Resolution Note (fix version 2020.1):
Regression introduced in 2020.1.0a4 by case 1173312