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Fixed

Fixed in 2022.3.21f1

Votes

0

Found in

2022.3.20f1

Issue ID

UUM-62802

Regression

Yes

[Error] Undoing added list element in prefab throws an error: SerializedProperty _sand.clips.Array.data[0] has disappeared!

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Steps to reproduce: # Download and open the attached project {}Serialized List Undo Error.zip{}.

  1. Open the SampleScene.
  2. Open the GameObject prefab in scene prefab edit mode by clicking on the arrow on the right of it in the hierarchy.
  3. Click the plus button to add a list element.
  4. Undo.
  5. If no error appears:

## Click on the plus button again to add a list element.
## Click on the minus button to remove it.
## Repeat steps 4-6.

  
Actual results: Errors are thrown in the console
Expected results: No error is thrown in the console
 
Regression details:
Reproducible on 2022.2.0a17 ❌
Not reproducible on 2022.2.0a16 ✅
 
Reproducible with versions: 2022.3.20f1
 
Not reproducible with versions: 2021.3.34f1, 2023.2.7f1, 2023.3.0b7
 
Tested on (OS): Mac (M1) and Windows
 
Stack trace 1/2
 
{code:java}
ObjectDisposedException: SerializedProperty _sand.clips.Array.data[0] has disappeared! UnityEditor.SerializedProperty.Verify (UnityEditor.SerializedProperty+VerifyFlags verifyFlags) (at /Users/bokken/buildslave/unity/build/Editor/Mono/SerializedProperty.bindings.cs:478) UnityEditor.SerializedProperty.get_objectReferenceInstanceIDValue () (at /Users/bokken/buildslave/unity/build/Editor/Mono/SerializedProperty.bindings.cs:1411) UnityEditor.EditorGUIUtility.ObjectContent (UnityEngine.Object obj, System.Type type, UnityEditor.SerializedProperty property, UnityEditor.EditorGUI+ObjectFieldValidator validator) (at /Users/bokken/buildslave/unity/build/Editor/Mono/EditorGUIUtility.cs:1002) UnityEditor.UIElements.ObjectField+ObjectFieldDisplay.Update () (at /Users/bokken/buildslave/unity/build/Editor/Mono/UIElements/Controls/ObjectField.cs:137) UnityEditor.UIElements.ObjectField.UpdateDisplay () (at /Users/bokken/buildslave/unity/build/Editor/Mono/UIElements/Controls/ObjectField.cs:90) UnityEngine.UIElements.VisualElement+SimpleScheduledItem.PerformTimerUpdate (UnityEngine.UIElements.TimerState state) (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/VisualElementScheduler.cs:341) UnityEngine.UIElements.TimerEventScheduler.UpdateScheduledEvents () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/Scheduler.cs:362) UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.UpdateSchedulers () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:253) UnityEngine.UIElements.UIEventRegistration.UpdateSchedulers () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:105) UnityEditor.RetainedMode.UpdateSchedulers () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Editor/RetainedMode.cs:55){code}
 
 
Stack trace 2/2
 
{code:java}
InvalidOperationException: The operation is not possible when moved past all properties (Next returned false) UnityEditor.SerializedProperty.Verify (UnityEditor.SerializedProperty+VerifyFlags verifyFlags) (at /Users/bokken/buildslave/unity/build/Editor/Mono/SerializedProperty.bindings.cs:481) UnityEditor.SerializedProperty.get_objectReferenceInstanceIDValue () (at /Users/bokken/buildslave/unity/build/Editor/Mono/SerializedProperty.bindings.cs:1411) UnityEditor.EditorGUIUtility.ObjectContent (UnityEngine.Object obj, System.Type type, UnityEditor.SerializedProperty property, UnityEditor.EditorGUI+ObjectFieldValidator validator) (at /Users/bokken/buildslave/unity/build/Editor/Mono/EditorGUIUtility.cs:1002) UnityEditor.UIElements.ObjectField+ObjectFieldDisplay.Update () (at /Users/bokken/buildslave/unity/build/Editor/Mono/UIElements/Controls/ObjectField.cs:137) UnityEditor.UIElements.ObjectField.UpdateDisplay () (at /Users/bokken/buildslave/unity/build/Editor/Mono/UIElements/Controls/ObjectField.cs:90) UnityEngine.UIElements.VisualElement+SimpleScheduledItem.PerformTimerUpdate (UnityEngine.UIElements.TimerState state) (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/VisualElementScheduler.cs:341) UnityEngine.UIElements.TimerEventScheduler.UpdateScheduledEvents () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/Scheduler.cs:362) UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.UpdateSchedulers () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:253) UnityEngine.UIElements.UIEventRegistration.UpdateSchedulers () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Core/UIElementsUtility.cs:105) UnityEditor.RetainedMode.UpdateSchedulers () (at /Users/bokken/buildslave/unity/build/ModuleOverrides/com.unity.ui/Editor/RetainedMode.cs:55){code}
 
 

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