Integrity of AnimSyncMarkers compromised while playing AnimMontage with root motion in server side

UE - Anim - Gameplay - Jan 11, 2023

Reference UDN as it explains well the cause of the issue. ...

[CrashReport] UE4Editor_UnrealEd!UEditorBrushBuilder::EndBrush() [editorbrushbuilder.cpp:53]

Tools - Aug 10, 2018

No user comments in crash group 48 bool UEditorBrushBuilder::EndBrush( UWorld* InWorld, ABrush* InBrush ) 49 { 50 //!!validate 51 check( InWorld != nullptr ); ...

SubwaySequencer crashes when launched in Standalone Game

OLD - Anim - Jan 18, 2017

SubwaySequencer is crashing when launching in standalone game Reported here originally:シーケンスの再生に関して ...

StompMalloc throws error in Embree setup

UE - Graphics Features - May 27, 2021

Licensee has proposed a potential workaround (initialising vertex array with at least 1 element). ...

AEditorFunctionalTest causes assert in WP map

UE - World Creation - Worldbuilding Tools - World Partition - May 9, 2022

"Assertion failed: Pair != nullptr " when trying to create a basic test with AEditorFunctionalTest in a WP map. ...

check(!bPostTickComponentUpdate) fails triggered by UNiagaraComponent::CreateRenderState_Concurrent() and StaticMeshCompilingManager::FinishCompilation()

UE - Niagara - Rendering - Jul 23, 2024

Reported alongside [Link Removed] Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears t ...

Editor asserts when deleting a morph target from a skeletal mesh

UE - Editor - Content Pipeline - Asset Build - Oct 24, 2022

Crash sorting array elements in Project Settings

Tools - Sep 15, 2017

Crash occurs when the user sorts array elements in the Project Settings. This seems to occur with any arrays in the Project Settings, but I haven't been able to reproduce the crash outside of them. ...

.glTF importer crash - UE4Editor-GLTFImporter!ImportStaticMesh

OLD - Enterprise - Nov 14, 2018

Enabling the gLTF plugin and trying to import a glTF asset results in a crash. ...