Ctrl+Alt selection drag inside to outside of Matinee window will crash the editor

Tools - May 18, 2016

Ctrl+Alt selection drag inside to outside of Matinee window will crash the editor Reproduced in Releases stream 2982080 as well, to verify that this wasn't the same bug as https://jira.ol.epicgames ...

Crash when press F5 key any Test build project

UE - Graphics Features - Oct 14, 2020

When the F5 key is pressed during the lunch of the application created by Test configuration, the application will crash. This depends on the project. No Crash: Third Person project, ShooterGame ...

App crashes on launch on tvOS/iOS

UE - Platform - Mobile - Dec 13, 2016

This crash was caused by Dev-Rendering's merge to Main @ CL 3231696 Apps are crashing on launch on tvOS and iOS This crash is also occurring in Main ...

This project crashes when one Blueprint is compiled if its child Blueprint is opened in another tab

UE - Gameplay - Blueprint - Mar 18, 2015

This project crashes when one Blueprint is compiled if its child Blueprint is opened in another tab. This only occurs with one Parent/Child combination: the crash occurs when compiling Building whil ...

FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees

UE - AI - Debugging - Apr 17, 2025

When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...

Expanding a folder in the Finder through the editor will crash the editor

UE - Platform - Apple - Mar 16, 2015

Expanding a folder in the Finder through the editor will crash the editor. Reproduced in 4.7.2 binary on 10.9.5 Crash Report: [Link Removed] ...

Crash when trying to find references to blueprint Structure node

UE - Gameplay - Blueprint - Oct 12, 2015

Right clicking on a struct node inside a blueprint and selecting the "Find References" option will cause the editor to crash Crash Reporter: [Link Removed] ...

SetGamePaused on EventDestroyed crashes the editor on compile

UE - Gameplay - Blueprint - Apr 1, 2015

SetGamePaused on EventDestroyed crashes the editor on compile. Reproduced in 4.7.3 binary and Main (//depot/UE4/Promotable-CL-2496752) Crash Report: [Link Removed] Call Stack: UE4Editor_Engine! U ...

Crash when importing FBX file a second time after an error is given

Tools - Mar 10, 2016

Editor crashes when trying to import a FBX a second time after the FBX failed to import the first time. An image of the error attached below. ...

Lightmass crash after finished building and hitting save

UE - Foundation - Core - Mar 19, 2015

User is reporting that the editor will crash after lightmass has finished building and they click to save the project. ...