Unity throw null reference when i click on animation transition

ukanupro123 · October 22, 2024, 9:47am

I got this bug when clicking on transition from anystate node to other sub state in animator

NullReferenceException: Object reference not set to an instance of an object
UnityEditor.Graphs.AnimationStateMachine.AnimatorStateTransitionInspector.DoErrorAndWarning () (at <84411d99c4a04a5f824cb9590142af8d>:0)
UnityEditor.Graphs.AnimationStateMachine.AnimatorTransitionInspectorBase.OnInspectorGUI () (at <84411d99c4a04a5f824cb9590142af8d>:0)
UnityEditor.UIElements.InspectorElement+<>c__DisplayClass72_0.<CreateInspectorElementUsingIMGUI>b__0 () (at <9920ff0c944845d7b9f9a61ef1478edc>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)

Example: i clicked on transition from anystate node to Run sub state in above image

MHDante · May 26, 2026, 8:02pm

Can confirm this still happens in Unity 6.3.13f

Topic		Replies	Views
2022.1.6f NullReferenceException when click on transition from 'Any State' in Animator Unity Engine	1	601	July 8, 2022
[Solved]unexplanable null refrence exception Questions & Answers	4	75554	March 7, 2021
TransitionEditionContext.cs:44, NullReferenceException Unity Engine Animation	5	2291	November 6, 2015
NullReferenceException: Object reference not set to an instance of an object (584460) Unity Engine Scripting	3	1115	June 11, 2015
Why, when I delete transitions from the Animator State Machine, do I get a null reference exception? Questions & Answers	3	7798	June 17, 2017

Unity throw null reference when i click on animation transition

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