Unreal Engine Issues
Unreal Engine Issues
User Defined Struct causing crash due to accessing freed memory when using Stompmalloc
UE - Gameplay - Feb 14, 2019A licensee has reported that Custom Structs can cause a crash when using StompMalloc under certain situations. Regression?: No This occurs in 4.20 ...
FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees
UE - AI - Debugging - Apr 17, 2025When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...
Crash in FNiagaraGPUInstanceCountManager::AddDrawIndirect when Android Vulkan Mobile preview platform is enabled
UE - Niagara - Nov 14, 2024In the Android Vulkan Mobile preview mode, when multiple GPU niagara systems are visible and the user moves the camera around the level it can cause a crash, potentially caused by a race condition o ...
Editor crash after attempting to create layer info in new landscape window
UE - LD & Modeling - Terrain - Landscape - May 7, 2015Attempting to create landscape layer info from within the new landscape creation window crashes the editor. Workaround: create the landscape, switch to paint mode, create layer info in paint mode w ...
Renaming Niagara's emitter name in the Timeline panel causes a crash
UE - Anim - Sequencer - Jun 18, 2024Renaming an emitter's name in Timeline panel of Niagara editor causes an editor crash. This happens because FViewModelHierarchyOperation constructor is called with null InAnyModel ptr; FViewModelHi ...
Crash in RecreateClothingActors() when using MasterPoseComponent
UE - Simulation - Physics - Character - Mar 27, 2019As part of RecreateClothingActors(), the master pose component is not checked for a valid mesh and therefore when TransformComponent->GetComponentSpaceTransforms() is indexed into, crashes can occur ...
Importing a t3d filetype will cause a crash
UE - Editor - Content Pipeline - Import and Export - Jun 15, 2016!!! Changes between version 4.12 and 4.13 for importing these !!! 4.12 There is a crash when importing any t3d (legacy) file through File > Import Into Level using the t3d file option. 4.13 The ...
Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source object is referenced utilizing FObjectFinder in C++
UE - Audio - MetaSounds - Apr 14, 2022Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source is referenced utilizing FObjectFinder in C++ Repro Rate: 3/3Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\R ...
Origin Shifting Landscape crashes Render Thread
UE - LD & Modeling - Terrain - Landscape - Jan 10, 2020Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...