Threading bug in scene capture component

UE - Virtual Production - Sep 14, 2016

void USceneCaptureComponent2D::CaptureSceneDeferred() { UWorld* World = GetWorld(); if (World && World->Scene && IsVisible()) { // Defer until after updates finish // Needs some CS because ...

Controller::GetPawn() returns NULL in 4.9

UE - Gameplay - Sep 3, 2015

Making a call to GetPawn in an AIController class will return NULL which will crash when that return value is used. This is a regression as the call is made successfully in 4.8.3. Working CL: Work ...

Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

UE - AI - Oct 6, 2017

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

IOS 11 Freezes When Generating Particles Using SphereMask

UE - Platform - Mobile - Nov 16, 2018

When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...

[CrashReporter] UE4Editor-MeshBuilder!SkeletalMeshBuilderHelperNS::FixFaceMaterial(USkeletalMesh *,TArray<SkeletalMeshImportData::FMaterial,TSizedDefaultAllocator<32> > &,TArray<SkeletalMeshImportData::FMeshFace,TSizedDefaultAllocator<32> > &)

UE - Editor - Content Pipeline - Datasmith - Importer - Jan 6, 2020

Generated from CrashReporter Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 614] Array in ...

Runtime Virtual Texture rendering can allocate more FRDGBuffers than expected

UE - Rendering Architecture - Dec 10, 2024

When rendering runtime virtual texture pages without throttling (when r.VT.MaxUploadsPerFrame is high or during Movie RenderQueue captures) the number of FRDGBuffers allocated by the Render Graph Bu ...

[CrashReport] UE4Editor_Engine!USkeleton::GetMeshLinkupIndex() [skeleton.cpp:420]

OLD - Anim - Jul 19, 2017

This is a common crash affecting users in 4.16, unfortunately they have not provided any additional information. Source Context 406 if ( IndexPtr == NULL ) 407 { 408 L ...

[CrashReport] UE4Editor_Slate!FDelegateBase::Unbind()

UE - Editor - UI Systems - Slate - Jul 24, 2017

This is a common crash affecting users in 4.16. User Descriptionstrying to import a texture D: Source Context 137 /** 138 * Unbinds this delegate 139 */ 140 ...

[CrashReport] UE4Editor_D3D11RHI!TRefCountPtr<FRHIResource>::operator=() [refcounting.h:103] - ModifyViewForShadow() [shadowdepthrendering.cpp:1872]

UE - Graphics Features - Feb 28, 2018

No user comments on crash group 95 TRefCountPtr& operator=(ReferencedType* InReference) 96 { 97 // Call AddRef before Release, in case the new reference is the same ...

Possible to have a null AudioComponent in ApplySettings

UE - Audio - Mar 5, 2018

User is having issues where they are getting crashes in ApplyVoiceSettings. This should only ever be called from FVoiceEngineImpl::SubmitRemoteVoiceData. In that method, if no SynthComponent is av ...