Crash when testing a sound in UMG that has been added to an audio track for an animation

UE - Editor - UI Systems - May 25, 2016

The editor crashes when testing an animation that has an audio track containing a wave sound. ...

Crash when Clicking on a Linear Color Default Value in an interface

UE - Gameplay - Blueprint - Jul 19, 2017

When 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, 2017

Using 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, 2017

I 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, 2017

If 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, 2015

Edit: 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, 2016

Download 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, 2020

FCEFWebBrowserWindow::OnKeyDown() InternalCefBrowser->GetHost()->SendKeyEvent(KeyEvent); is processed on the UE4 GameThread, inside the Chromium Embedded Framework (CEF) it appears to call a syst ...

Crash when removing cloth apb's assigned to asset

UE - Simulation - Physics - Character - Apr 27, 2016

When removing already assigned cloth asset from a skeletal mesh it will crash the editor. I was able to reproduce this with the Owen asset from Content Examples, but was unable to get it to work fro ...

Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode

Tools - Jun 2, 2017

When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...