Niagara crashes with skeletal mesh sampling in GPU system in Vulkan

UE - Niagara - Sep 17, 2019

Switching over to GPUCompute with Skeletal mesh surface sampling will crash in Vulkan. This does not occur with CPU sims or in D3D. When testing with D3D I would get the same Niagara compile warning ...

Crash opening Child/Grandchild Blueprint after updating to 4.18

UE - Gameplay - Blueprint - Nov 29, 2017

From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...

Crash when compiling for instrumentation after adding an exec pin to a collapsed graph

UE - Gameplay - Blueprint - Aug 15, 2016

Editor crashes when compiling for instrumentation after adding an exec pin to the collapsed graph. This only occurs if the exec pin was added through a drag and drop method. Adding the exec pin to ...

VR preview Crashes for the Oculus Rift on 4.8 preview 3

UE - Platform - XR - May 20, 2015

If the User starts up the VR preview mode with an Oculus rift plugged in the editor will crash. ...

Crash importing morph targets with animation and opening it in animation editor

UE - Graphics Features - Mar 31, 2017

Lina encountered a crash when importing the attached FBX file with morph targets and animation, and then opening it in the animation editor. I was not able to reproduce this issue in QAGame (her re ...

Crash when changing shadow scalability settings to low, then clicking in the viewport

UE - Graphics Features - Jun 9, 2016

A crash occurs after setting the shadow scalabilty settings to "low" then clicking on an item in the viewport. The issue also occurs when setting all of the scalabilty settings to low at one time as ...

Crash on Adding Elements to Array On Instance of Actor in the Level

Tools - May 25, 2018

When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...

[Quartz][Crash] - Subscribing to All Quantization Events and then playing a sound on all Quantization boundaries crashes the editor

UE - Audio - Quartz - Jun 3, 2021

Hit this when I made a blueprint and Subscribed to ALL quantization events instead of the one I was interested it and tried to use all of them as my Quantization Boundary. The alt title of this bug ...

Crash closing editor with blueprint thumbnails visible in Content Browser

UE - Editor - Content Pipeline - Content Browser - Jul 28, 2016

Crash occurs when the user closes the editor while there are blueprint thumbnails visible in the Content Browser. This seems to only occur if the editor was opened with blueprint thumbnails also vi ...

Crash when changing the number of instances in a grouped sprite component at runtime

UE - Gameplay - Paper2D - Aug 4, 2016

A crash occurs when you remove a Sprite Instance within a Paper Grouped Sprite component of an Actor BP on Event Begin Play. I was able to reproduce this crash in the binary releases of 4.11.2 and ...