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Fixed

Fixed in 2022.3.63f1, 6000.0.50f1, 6000.1.5f1, 6000.2.0b3, 6000.3.0a1

Votes

0

Found in

2022.3.61f1

6000.0.48f1

6000.1.1f1

6000.2.0a10

6000.3.0a1

Issue ID

UUM-104017

Regression

No

Animator Controller throws MissingReferenceException after undoing Layer Creation

-

Steps to reproduce:

  1. Open the attached project
  2. Open TestAnim Animation Controller
  3. Create a new Layer
  4. Switch to the Parameters tab
  5. Perform the Undo action

Actual results: "MissingReferenceException: The object of type 'UnityEditor.Animations.AnimatorStateMachine' has been destroyed but you are still trying to access it." error is spammed in the console after performing the Undo action

Expected results: No warnings or errors are thrown after performing an Undo action

Reproducible with versions: 2022.3.61f1, 6000.0.48f1, 6000.1.1f1, 6000.2.0a10

Tested on (OS): macOS 15.4.1

Notes:

  • If Undo is performed while in the Layers tab, the issue does not occur

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