Unreal Engine Issues
Unreal Engine Issues
ConstructorHelpers::FObjectFinder failing to compile with UPaperFlipbook
UE - Foundation - Core - Feb 21, 2017If ConstructorHelpers::FObjectFinder is used with UPaperFlipbook as its class specifier, compiling the code fails with the following error: Error C2664 'void ConstructorHelpers::ValidateObject(UObj ...
Loading a map via File->Open Level... when it is already loaded in World Composition view does not reset actors to origin
UE - World Creation - Worldbuilding Tools - World Composition - May 14, 2019Loading a map via File->Open Level or just by clicking on it to open it, when it is already loaded in World Composition view does not reset actors to origin. The actors instead keep the same positio ...
[CrashReport] UE4Editor_MeshPaint!FBaseMeshPaintGeometryAdapter::GetVertexPosition() [basemeshpaintgeometryadapter.cpp:70]
UE - Simulation - Physics - Character - Nov 2, 2017This is a trending crash coming out of 4.18, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 57 const TArray<FVec ...
LIVE: EDITOR: SPEEDTREE: CRASH: When using SpeedTree with Fracture Tool editor crashes
UE - Graphics Features - Aug 11, 2014Crash Reporter information added for 4.7.2 - 4.7.6 Also Reproduced in Main Promotable-CL-2527312 Crashes from current engine seem to be predominately from Open World Content Assets. including Rep ...
[CrashReport] UE4Editor_SlateCore!TArray<FHittestGrid::FCachedWidget,FDefaultAllocator>::Empty() [array.h:1530]
Tools - Nov 10, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Nearly all affected project names reference that this occ ...
[CrashReport] UE4Editor_LevelEditor!SLevelViewport::BindShowCommands() [slevelviewport.cpp:1429]
Tools - Nov 10, 2017This is a longstanding but infrequent crash that has occurred since at least 4.16.1. Users have not provided any descriptions of their actions when the crash occurred. The callstack closely matche ...
[CrashReport] Assertion failed: *LinkedTo == RequestingPin [edgraphpin.cpp:1747]
UE - Gameplay - Blueprint - Aug 29, 2017This is a common crash occurring in 4.17 and back to at least 4.15. User Descriptionspress cntr Z Source Context 1734 check(ResolveType == EPinResolveType::LinkedTo); 1735 ...
Incorrect Velocity Calculation at Animation Sequence Transitions in Level Sequence
UE - Anim - Sequencer - Feb 18, 2025When adding an Animation Track to a Level Sequence and placing Animation Sequences back-to-back without gaps, the velocity can be miscalculated at the transition between sequences. This issue occur ...
Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD()
UE - Platform - XR - Sep 7, 2016Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD(). Log attached for build error and error portion plugged into the callstack box. ...
Cascade ParticleRelativeTime Outputs Constant 0 on Mobile
UE - Niagara - Aug 29, 2018Cascade ParticleRelativeTime outputs constant 0 on mobile. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4321618 ...