ComponentOverlapComponents without reference to a component will compile and crash the editor

UE - Gameplay - Jul 21, 2015

Error Message: Access violation - code c0000005 (first/second chance not available) ComponentOverlapComponent node used in blueprints will cause the editor to crash once you PIE if there is no comp ...

[CrashReport] Mac crash - UE4Editor-SlateCore.dylib!SWindow::IsVisible()

UE - Platform - Apple - Oct 12, 2017

This is a trending Mac crash coming out of the 4.18 previews. Most of the project titles experiencing this crash mention "AR" It is the exact same callstack and crashgroup as [Link Removed], but th ...

Crash when changing an actor's variable type from vector to transform

UE - Framework - LWC - Oct 25, 2022

It looks like this is some fallout from CL 19405683. If we change a variable from vector to transform, it'll pass this check:if(Tag.StructName == NAME_Transform) {     Struct->SerializeTaggedProp ...

PIE crash on infinite loop in a BP construction script

UE - Gameplay - Blueprint Runtime - Oct 19, 2023

From the [Link Removed]: We had an issue where PIE was being stopped due to an "infinite loop" being detected in one of the blueprints construction script. This was also crashing the editor as the ...

Failed to register input back buffer crash when opening a project with PixelStreaming on Windows 7

PixelStreaming - Sep 19, 2018

Projects crash upon opening with the PixelStreaming plugin enabled. ...

Editor Crashes when spawning a Physics enabled object inside another

UE - Simulation - Physics - Sep 22, 2017

Editor Crashes when spawning a Physics enabled object inside another. Regression: Unknown Can Test in Main if requested. ...

[CrashReport] Crash related to refreshing Destructible Mesh - SaveExistingSkelMeshData()

UE - Simulation - Physics - Destruction - Jul 20, 2017

This is a common crash affecting users in 4.16. User DescriptionsPressing the button to restart the basic mesh in the destruction editor causes the crash.Refreshing a Destructible Mesh that has had ...

Editor crash when modifying Skeletal Animation Section of an unsaved additive animation

UE - Anim - Sequencer - Jan 27, 2021

Unsaved animations can cause the editor to crash if they are in a sequence, if the sequence evaluates them after an edit.  ...

Setting a Vector value in the Material Parameter Collection causes crash

UE - Graphics Features - Mar 1, 2019

Creating a Vector parameter within the Material Parameter collection causes a crash with the engine. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862) ...

Crash Generating Proxy Mesh with Transition Screen Size set to 1

UE - World Creation - Worldbuilding Tools - HLOD - Nov 18, 2016

Crash occurs when attempting to Generate Proxy Meshes with Transition Screen Size set to 1. ...