Unreal Engine Issues
Unreal Engine Issues
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Dec 18, 2024In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Jan 14, 2025In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor
UE - Gameplay - Blueprint - Sep 1, 2016I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...
Cannot compile nativized Blueprints containing a delegate signature that includes a TMap (paired) type as a parameter.
UE - Gameplay - Blueprint - May 15, 2018Paired types (e.g. TMap) in a delegate signature do not compile after nativizing a Blueprint class containing it due to the macro expansion and comma inside the template spec between key and value t ...
LoadingScreen by MoviePlayer doesn't support Material in UE5.4
UE - Editor - UI Systems - Jun 6, 2024An assert crash is now triggered when set a widget using material to WidgetLoadingScreen of FLoadingScreenAttributes then call FDefaultGameMoviePlayer::SetupLoadingScreen(). The ensureMsgf in quest ...
[CrashReport] UE4Editor_UMG!CastChecked<UUserWidget,UObject>
UE - Anim - Sequencer - Aug 14, 2017This is an early trending crash in the 4.17 release. This may be a regression as there is no initial evidence of this callstack occurring in 4.16. User DescriptionsJust compiled my widget Source C ...
Compiling multiple projects with DebugGame will cause subsequent builds to fail
UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 8, 2016If two projects are both built using the DebugGame solution configuration, the first project will fail to compile in DebugGame again due to Unresolved External errors. It seems when DebugGame is co ...
[CrashReport] UE4Editor_UnrealEd!PackageTools::ReloadPackages() [packagetools.cpp:576]
Tools - Jun 29, 2017This is a common crash affecting users on 4.16. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 561 ::SortPackagesForReload( ...
Cut/Copy doesn't work on Linux when using the right-click menu
UE - Platform - Linux - Aug 24, 2017Trying to cut or copy text / references using the options from the right click menu does not actually copy the selection to the clipboard. The right click menu will show the Paste option grayed out ...
Property editing of FName properties doesn't restrict their length
Tools - Apr 29, 2015We likely have several places in the editor that convert text taken from an editable text into an FName without ensuring that the string will fit into an FName. This can lead to editor crashes. One ...