Unreal Engine Issues
Unreal Engine Issues
Crash on loading pre-4.20 cloth data when compute skin cache is enabled in 4.21
UE - Graphics Features - Mar 19, 2019According to information from the licensee, the else clause was added to "FSkeletalMeshLODModel::(GetClothMappingData()" at CL 4437969 , but if it is the cloth data existing from 4.20 or earlier, it ...
[CrashReport] Crash related to asset export - UnFbx::FFbxExporter::FillExportOptions() [fbxmainexport.cpp:152]
Tools - Sep 28, 2017This is a trending crash coming out of the 4.18 previews. It seems to be related to exporting assets from the editor. User DescriptionsWhen Exporting assets (static meshes) multiple times via RIGHT ...
5.5.3 insights crashes when opening .utrace files with "RenderCommands,RDG,RHICommands" channels.
UE - Foundation - Insights - Feb 19, 2025The customer provided reproduction steps and a trace file that crashes Insights. From the customer: manually placing if (!CurrentGraph) Unknown macro: { return; } nullchecks in RenderGraphInsi ...
The Starter Contents SM_Statue exists in a bad state, leading to crashes when trying to open levels where it is referenced
UE - Graphics Features - Ray Tracing - Feb 18, 2025The SM_Statue exists in a bad state leading to a crash when it is loaded or anything that references it is loaded, e.g. Minimal Default level in the Starter Content. It can be deleted as a temporar ...
Crash occur when switching the Ray Tracing shadow function when only shadow is enabled in the Ray Tracing
UE - Graphics Features - Lumen - Sep 16, 2020According to the licensee, this problem is caused by a variable inconsistency in Cvar. The cause seems to be the difference between the CVar reference when generating RayTracingSceneRHI and the CVa ...
Editor crashes when re-opening a project that had previously successfully applied a Live Coding patch
UE - Foundation - Cpp Tools - Live Coding - Apr 9, 2019The Editor will crash while opening a project that had previously successfully had a Live Coding patch applied, and then was closed. The `LiveCodingConsole.exe` process continues to run after both t ...
Within Water Body Custom setting the Water Mesh Override to a Nanite mesh causes a crash
UE - Graphics Tools - Terrain - Water - Jun 28, 2023This is not a regression. Tested //UE5/Release-5.1 CL23901901 Within Water Body Custom setting the Water Mesh Override to a Nanite mesh causes a crash. This seems to be the case with any Nanite ena ...
Crash opening a project (in 4.6.1) created in a newer version of the editor (4.7)
Tools - Feb 4, 2015This crash apparently occurs when a project either created or converted into 4.7 is opened in 4.6(.1). User quotes include: "booted up project. instant crash. " "trying to open a project made in 7. ...
[Quartz] Play Quantized Crashes When Played On An Audio Component Spawned With 'Persist Across Level Transition'
UE - Audio - Quartz - Jul 15, 2022There's a crash when "Play Quantized" is used on an Audio Component that was constructed via the functions "Create Sound 2D" or "Spawn Sound 2D" when the option 'Persist Across Level Transitions' is ...
Crash opening blueprint when a node class has been removed (e.g., anim blueprint with Ragdoll node with Immediate Mode plugin disabled)
UE - Gameplay - Blueprint Editor - Jan 26, 2017Crash occurs when the user attempts to open an anim blueprint containing the Ragdoll node, when Immediate Physics is disabled. ...