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Issue ID




Crash on RebuildTransformHierarchyOrMarkForDestruction when opening a scene



Reproduction steps:
1. Open the attached “repro-project“
2. Open the “Assets/Scenes/Level 1.unity“ scene
3. Observe the crash

Reproducible with: 2021.3.37f1, 2022.3.26f1, 2023.2.0a5
Not reproducible with: 2023.2.20f1, 6000.0.0b16
Fixed in: 2023.2.0a6

Reproduced on: Windows 10, macOS 14.4.1 (Intel) (by the reporter)
Not reproducible on: No other environment tested

First few lines of the stack trace:
0x00007ff7e64d60dc (Unity) RebuildTransformHierarchyOrMarkForDestruction
0x00007ff7e64d18c7 (Unity) MergeAllPrefabInstancesDuringLoad
0x00007ff7e530ae32 (Unity) LoadSceneOperation::CompleteAwakeSequence
0x00007ff7e530bb02 (Unity) LoadSceneOperation::CompletePreloadManagerLoadSceneEditor
0x00007ff7e530cc9b (Unity) LoadSceneOperation::IntegrateMainThread

  1. Resolution Note:

    Thank you for reporting a bug to Unity.

    We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available.

    Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.

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