Crash after removing decal (using set fade out node) during design time and then hitting play

UE - Gameplay - Blueprint - Feb 5, 2019

When calling set fade out on a decal during design time via a custom event that is setup to be called in editor a crash will occur when clicking PIE ...

Crash when generating proxy mesh

Tools - Jul 12, 2019

Generating a proxy mesh with imported models and the simplify mesh flag set to true causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7288428), 4.24 (CL ...

BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.

UE - Gameplay - Blueprint - Apr 20, 2017

Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor

UE - Graphics Features - Apr 22, 2019

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

Attempting to export sequencer camera causes editor to crash on Linux

UE - Platform - Linux - Oct 26, 2016

Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...

Crash when opening Post Process Material with Live Data Preview running in Profiler

UE - Foundation - Core - Feb 24, 2015

Edit: CrashReporter link: [Link Removed] When running the Session Frontend Profiler as a Live Data Preview and you open a Post Process material, the editor will crash to the desktop. Reproduced in ...

Crash compiling System when a Dynamic Input only outputs a numeric value

UE - Niagara - Apr 7, 2020

Crash compiling System when a Dynamic Input only outputs a numeric value Crash occurs using Scratchpad and a Dynamic Input Script asset.  The crash does not occur if I connect a parameter to the s ...

Editor crashes when attempting to open the Window menu after recompiling a Standalone Editor Window plugin

UE - Editor - UI Systems - Slate - Nov 26, 2018

Generated from CrashReporter Attempting to open the Window menu in the Editor after having used the Modules window to recompile a Standalone Editor Window plugin will result in the Engine crashing. ...

Crash in UHierarchicalInstancedStaticMeshComponent::GetOverlappingSphereCount

UE - World Creation - Worldbuilding Tools - Foliage - May 15, 2018

A licensee has reported a regression from 4.18.3 to 4.19.2 that is causing crashes to occur in their project. The crash occurs when walking onto their foliage in a packaged game. This does not happe ...

Crash when calling UPoseableMeshComponent::CopyPoseFromSkeletalComponent() from Actor's Tick while unregistering

UE - Anim - Runtime - Apr 26, 2023

Under certain conditions, it appears that the function UPoseableMeshComponent::CopyPoseFromSkeletalComponent may crash because the BoneSpaceTransforms obtained from the source component are empty, p ...