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Duplicate

Votes

0

Found in

2021.3.28f1

Issue ID

UUM-43082

Regression

Yes

NullReferenceException and Assertion failed thrown when clicking on ListView UI in Play Mode

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How to reproduce:
1. Open the “TestProject.zip“
2. Open the “SampleScene“ scene
3. Enter Play Mode
4. Click on the orange line in the GameView
5. Observe the console

Expected result: No errors are seen
Actual result: “Assertion failed“ and “NullReferenceException“ errors are seen

Reproducible with: 2021.3.8f1, 2021.3.28f1
Not reproducible with: 2021.3.7f1, 2022.3.5f1, 2023.1.5f1, 2023.2.0b1

Reproducible on: Windows 10

Errors:
Assertion failed
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

NullReferenceException: Object reference not set to an instance of an object
UnityEngine.UIElements.BaseVerticalCollectionView.ExecuteDefaultAction (UnityEngine.UIElements.EventBase evt) (at <1aaa12d3c5d64d42836d89caff78b60b>:0)
UnityEngine.UIElements.CallbackEventHandler.HandleEvent (UnityEngine.UIElements.EventBase evt) (at <1aaa12d3c5d64d42836d89caff78b60b>:0)

  1. Resolution Note:

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