Unreal Engine Issues
Unreal Engine Issues
Crash when using "Convert to Seeded" on a Cascade Module
UE - Graphics Features - May 2, 2016Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...
Crash when testing a sound in UMG that has been added to an audio track for an animation
UE - Editor - UI Systems - May 25, 2016The editor crashes when testing an animation that has an audio track containing a wave sound. ...
Crash in PCGComponent during file load for file with vegetation from placement tools
TM - Rendering - Jul 14, 2025Reported in SF [Link Removed] Client has a file that consistently crashes during loading in the PCGComponent.cpp that appears to be linked to placed vegetation. Crash occurs during file open and m ...
Crash when Clicking on a Linear Color Default Value in an interface
UE - Gameplay - Blueprint - Jul 19, 2017When selecting a default color for a linear color input for an interface. A crash occurs when trying to bring up the color picker. ...
Crash upon taking a screenshot on Gear VR
UE - Platform - XR - Jul 13, 2017Using the shot console command or the RequestScreenshot function to take a screenshot in Gear VR causes the app to crash. This was tested on Android-19, ETC-1 configuration, with both Developer Mode ...
Crash When Pasting More Than 1024 Characters Into Component Name
UE - Gameplay - Blueprint - Mar 16, 2017I think this issue is mostly caused by users accidentally pasting a lot of text from (for example)a blueprint node while renaming a component. All you have to do is have a BP node in your clipboard ...
Crash when altering the values of a custom struct element in a Tmap
UE - Gameplay - Blueprint Compiler - Jun 27, 2017If the values of the elements in a Tmap are altered for a Tmap that is using a custom struct, the editor will crash on compile. ...
Crash when opening project on Macbook Pro Retina
UE - Gameplay - Blueprint - Feb 2, 2015Edit: This probably has nothing to do with macs. <unknown module>! UBlueprint* CastChecked<UBlueprint, UObject>(UObject*, ECastCheckedType::Type) <unknown module>! UBlueprintGeneratedClass::GetAut ...
Crash Importing some assets with "Keep Overlapping Vertex"
UE - Editor - Content Pipeline - Import and Export - Nov 29, 2016Download offending asset here: [Link Removed] Error message: Assertion failed: NewPosition >= 0 [Link Removed] [Line: 452] Source Context: 438 virtual ~FFileHandleWindows() 439 ...
BUG IN CLIENT OF LIBDISPATCH: crash on KeyPress down in WebBrowser
UE - Platform - Apple - Feb 12, 2020FCEFWebBrowserWindow::OnKeyDown() InternalCefBrowser->GetHost()->SendKeyEvent(KeyEvent); is processed on the UE4 GameThread, inside the Chromium Embedded Framework (CEF) it appears to call a syst ...