Unreal Engine Issues
Unreal Engine Issues
Crash accessing USplineComponent from Niagara while it is being updated on game thread
UE - Niagara - Aug 13, 2020I was working with a licensee on something unrelated, and ran into this niagara threading crash. It looks like UNiagaraDataInterfaceSpline::SampleSplinePositionByUnitDistance on one of the niagara h ...
Editor crash when shader debugging enabled including r.shaders.optimize=0
UE - Rendering Architecture - Shaders - Jun 23, 2024The editor crashes when activating cvar options for shader compilation and debugging. ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...
[CrashReport] Mac crash in UE4Editor-Engine.dylib!LoadPhysXModules()::$_0::operator()()
UE - Platform - Apple - Jun 8, 2017This is a common Mac crash that has been occurring since 4.15. It shares the same callstack with [Link Removed], but that was verified fixed for 4.16.0, while this crash still continues into 4.16. ...
Setting max undilated frame time to a negative value crashes the editor
UE - Gameplay - Apr 6, 2018In the world settings of any level, changing the max undilated frame time to a negative number results in the editor crashing. ...
Crash when locate_bound_objects is called
UE - Anim - Sequencer - May 14, 2024This has been tested internally using an editor utility widget yielding the same results. That small project is attached. BoundingObjectTest. 1) Open the project 2) Run the Editor Utility Widget ...
Engine crashed during Animation Blueprint compilation with Blend Multi node
OLD - Anim - Nov 30, 2018Engine crashes if Blend Multi node output is connected to final transition node, and no input is connected to Blend Multi node input parameters. [Image Removed] ...
Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent
UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...
VREditor: Crash in VR Mode when interacting with motion controller menu
UE - Editor - Workflow Systems - Sep 27, 2017The editor is crashing when interacting with the VR Mode motion controller menu. So far this has only been tested on Oculus. I got this to occur in a blank project as well when in VR Mode, by movin ...
Crash playing in a Listen Server PIE session with an EQSTestingPawn in the world
UE - AI - Jun 11, 2020REGRESSION Was not able to reproduce this in 4.24 Crash occurs when the user attempts to run a networking PIE session in a world containing an EQSTestingPawn actor. I was not able to reproduce thi ...