Unity Issue Tracker - Crash on MergeAllPrefabInstancesDuringLoad when opening a specific scene

Fixed in 2021.3.31f1

Fixed in 2021.3.X, 2022.3.X, 2023.1.X, 2023.2.X, 2023.3.X, 2023.3.0a3

Votes

0

Found in

2021.3.28f1

2022.3.4f1

2023.1.4f1

2023.2.0a23

2023.3.0a1

Issue ID

UUM-43713

Regression

No

Crash on MergeAllPrefabInstancesDuringLoad when opening a specific scene

Scene Management

-

Jul 21, 2023

Reproduction steps:
1. Open the attached project “CrashRepro“

Expected result: Project opens
Actual result: Editor crashes

Reproducible with: 2021.3.28f1, 2022.3.4f1, 2023.1.4f1, 2023.2.0a23

Reproducible on: Windows 10

First few lines of stack trace:

{noformat}0x00007ff7c8f9ef8d (Unity) MergeAllPrefabInstancesDuringLoad
0x00007ff7c7de1062 (Unity) LoadSceneOperation::CompleteAwakeSequence
0x00007ff7c7de1d32 (Unity) LoadSceneOperation::CompletePreloadManagerLoadSceneEditor
0x00007ff7c7de2ecb (Unity) LoadSceneOperation::IntegrateMainThread
0x00007ff7c7de6ac1 (Unity) PreloadManager::UpdatePreloadingSingleStep{noformat}

Note: If the project opens in an untitled scene open “CRASHSCENE“

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