Unreal Engine Issues
Unreal Engine Issues
Failed to register input back buffer crash when opening a project with PixelStreaming on Windows 7
PixelStreaming - Sep 19, 2018Projects crash upon opening with the PixelStreaming plugin enabled. ...
Editor Crashes when spawning a Physics enabled object inside another
UE - Simulation - Physics - Sep 22, 2017Editor Crashes when spawning a Physics enabled object inside another. Regression: Unknown Can Test in Main if requested. ...
[CrashReport] Crash related to refreshing Destructible Mesh - SaveExistingSkelMeshData()
UE - Simulation - Physics - Destruction - Jul 20, 2017This is a common crash affecting users in 4.16. User DescriptionsPressing the button to restart the basic mesh in the destruction editor causes the crash.Refreshing a Destructible Mesh that has had ...
Editor crash when modifying Skeletal Animation Section of an unsaved additive animation
UE - Anim - Sequencer - Jan 27, 2021Unsaved animations can cause the editor to crash if they are in a sequence, if the sequence evaluates them after an edit. ...
Setting a Vector value in the Material Parameter Collection causes crash
UE - Graphics Features - Mar 1, 2019Creating a Vector parameter within the Material Parameter collection causes a crash with the engine. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5159901), 4.23 (CL - 4980862) ...
Crash Generating Proxy Mesh with Transition Screen Size set to 1
UE - World Creation - Worldbuilding Tools - HLOD - Nov 18, 2016Crash occurs when attempting to Generate Proxy Meshes with Transition Screen Size set to 1. ...
Crash occurs when right-clicking in graph of a blueprint with a null parent class
UE - Gameplay - Blueprint - Mar 17, 2017REGRESSION No Crash occurs when the user right-clicks in the graph in a blueprint that has a Null parent class. ...
Crash occurs when executing r.RHIThread.Enable 2 command
UE - Rendering Architecture - RHI - Jan 19, 2023This is not a regression. Tested in //UE5/Release-5.0 CL20379098 Editor crashes with an assertion after executing the command r.RHIThread.Enable 2 ...
Projects crash when launching onto Firefox 64-bit
UE - Platform - Mobile - May 8, 2017QAGame crashes when it launched onto Firefox. The following exception occurs with the error message:*Expression (0) failed in D:\UE4_Dev-Rendering\Engine\Source\Runtime\Core\Private\Async\TaskGraph ...
Crash on Unreal Editor Exit due to subclass of UEditorUtilitySubsystem
UE - Editor - UI Systems - UMG - Jun 18, 2024Since UE5.4, it has been reported that if there's a class derived from UEditorUtilitySubsystem, the program crashes when the editor exits. This is because the code added in CL30853505 accesses freed ...