Unreal Engine Issues
Unreal Engine Issues
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, 2024Reported 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 ...
[CrashReporter] UE4Editor-Persona!SAnimationEditorViewportTabBody::GetDisplayString() [SAnimationEditorViewport.cpp:227]
OLD - Anim - Sep 26, 2019Generated from CrashReporter ...
Editor asserts when deleting a morph target from a skeletal mesh
UE - Editor - Content Pipeline - Asset Build - Oct 24, 2022Crash sorting array elements in Project Settings
Tools - Sep 15, 2017Crash 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. ...
Crash when baking materials for some skeletal meshes (like those found in Epic's Car Configurator project)
Tools - Jun 22, 2021FMeshMergeHelpers::RetrieveMesh crashes when trying to prep some skeletal meshes for material baking. ...
Scene with texture collection crashes when dumping a full memreport
UE - Rendering Architecture - RHI - May 28, 2025A licensee has reported that generating a full memreport of a packaged project which uses a texture collection leads to a crash. ...
Changing the channel name inside of the channel mask parameter node results in crash
UE - Rendering Architecture - Materials - Mar 4, 2020Changing the name of a channel inside of the channel mask parameter node results in a crash. ...
Crash occurs when debug filter pop out tab is clicked while in line tab is present
UE - Editor - UI Systems - Slate - Jun 29, 2017There is a crash that is occuring when resizing windows with the debug filter popped out. The Debug filter that gets popped out is persistant and does not disappear when the the in line option appea ...
HLOD Build crashing when building nanite for mesh with 2 material having the same parameters
UE - World Creation - Worldbuilding Tools - HLOD - Dec 2, 2023From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...