Unreal Engine Issues
Unreal Engine Issues
Animation System relies on FindFunctionByName which is not thread safe.
OLD - Anim - Mar 29, 2017Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...
[CrashReport] UE4Editor_Engine!UEngine::AddOnScreenDebugMessage() [unrealengine.cpp:7733]
Tools - Apr 13, 2018No user comments in crash group 7643 void UEngine::AddOnScreenDebugMessage(int32 Key, float TimeToDisplay, FColor DisplayColor, const FString& DebugMessage, bool bNewerOnTop, const FVector2D ...
Threading bug in scene capture component
UE - Virtual Production - Sep 14, 2016void 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, 2015Making 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, 2017When 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, 2018When 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, 2020Generated 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, 2024When 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, 2017This 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, 2017This 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 ...