Dataprep crash when creating a parameter from a datatable asset or any asset

UE - Editor - Content Pipeline - Visual Dataprep - Nov 28, 2022

FTabManager::FindPotentiallyClosedTab Crash Due to Invalid Array Indexing

UE - Editor - Workflow Systems - May 25, 2023

As you can see from the above callstack it appears that calling RestoreArea can call FindPotentiallyClosedTab again higher in the stack, which can Remove() an entry from CollapsedDockAreas- this cau ...

Crash in ULandscapeComponent::UpdatePhysicalMaterialTask() during landscape sculpting undo operations

UE - Graphics Tools - Terrain - Landscape - Apr 11, 2024

Using landscape sculpting tools, then executing Undo with Ctrl+Z ...

Crash when precaching PSOs for decals from non-game thread

UE - Rendering Architecture - Shaders - Aug 21, 2024

During async loading from an AsyncLoading thread, DecalComponent attempts to precache PSOs which can trigger a checkf in StrongObjectPtr.h which are only allowed to be created on a game thread. ...

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision

UE - Simulation - Physics - Jan 27, 2025

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision. The licensee reports one of their users reported this issue and they were able to reproduce a fe ...

[CrashReport] UE4Editor_D3D11RHI!TerminateOnDeviceRemoved() [d3d11util.cpp:176]

UE - Graphics Features - Nov 18, 2016

Error message: Fatal error: [Link Removed] [Line: 176] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG') Source Context: 161 162 const TCHAR* Rea ...

[CrashReport] UE4Editor_CoreUObject!IncrementalPurgeGarbage() [garbagecollection.cpp:1042]

UE - Editor - UI Systems - Localization - May 31, 2016

This JIRA is being entered as a result of being one of the top crashes in 4.12 Preview 5 In the 4.12.0 release, we currently have a user on the Answerhub who experiences this crash: https://answers ...

-precompile crashes UBT in a user non-friendly way on Linux

UE - Platform - Linux - Jan 26, 2016

"-precompile" is used to precompile the engine into static libs (primarily for Rocket). According to BenM, recently modules have been made to opt-out rather than opt-in for this feature (because the ...

Bounds are not shown correctly in Persona for imported alembic skeletal mesh

OLD - Anim - Sep 6, 2017

Found while verifying UE-47139 ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

Tools - Aug 31, 2018

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...