Editor Crashes When Attempting to Open Material Function

UE - Rendering Architecture - Materials - Jun 2, 2017

The editor is crashing when trying to open a material function that the user provided. User Quote: One of my material functions crashes the engine when I open the editor for it. It works fine, I ...

Editor crashes on Shootergame when implementing widget blueprint

Docs - Samples - Sep 30, 2014

In Shootergame, adding a widget to the Viewport causes the editor to crash after PIE then re-opening the blueprint calling the widget. Additional Notes: This was repro'd in both main and Github. L ...

AREnvProbe - App crash on iPad if automatic environment capture is enabled

UE - Platform - XR - Jan 9, 2020

This crash does not occur on iPhone devices. Tested on an iPhone X device. When switching environment capture to manual for iPad, the crash did not occur. ...

Crash on stopping PIE after using DemoRec in PIE

UE - Networking - Jan 20, 2016

Crash on stopping PIE after using DemoRec in PIE. Possibly related to [Link Removed] which must be fixed, but happens upon stopping PIE. Reproduced in 4.11.0 Preview 3 binary and Main (//UE4/Dev-Ma ...

Adding a Blueprint Interface (with function named "Test") to a Widget Blueprint with a variable named "Test" crashes the editor when compiling

UE - Gameplay - Blueprint Editor - Oct 5, 2017

Giving the Blueprint Interface Function and the Widget Blueprint Variable the same name, then adding the Blueprint Interface to the Widget Blueprint, causes the editor to immediately crash when comp ...

Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor

Tools - Jul 7, 2015

Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor. No crash report is ge ...

Unreal Frontend crashes when loading a ue4stats file

UE - Foundation - Core - Nov 27, 2018

If Unreal Frontend has been built in the Development Editor configuration, attempting to open a ue4stats file in the Profiler tab results in the Unreal Frontend crashing. The crash does not occur if ...

Crash when a subsystem calls GetSubsystemArray() on its owner while engine code is iterating on subsystems also obtained through GetSubsystemArray()

UE - Gameplay - Aug 6, 2024

In some occasions, engine code iterates over a certain subsystem type by calling FSubsystemCollection::GetSubsystemArray() and then calling some method on all subsystems of the returned array. This ...

Crash closing a project that was packaged on Windows for Linux

Tools - May 11, 2017

This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...

Selecting Auto Convex Collision crashes the editor

UE - Platform - Linux - Apr 13, 2015

In the static mesh editor, choosing the Auto Convex Collision from the Collision drop toolbar and selecting apply will immediately crash the engine. ...