Unreal Engine Issues
Unreal Engine Issues
Cannot use legacy UE types on Mac, Linux and other platforms
UE - Foundation - Core - Aug 30, 2016On Windows and Xbox we have special header files to re-enable legacy UE types, such as DWORD. On Linux, Mac and other platforms there is no such mechanism. This prevents us from compiling plug-ins w ...
AI Perception does not detect multiple actors across multiple sublevels
UE - AI - Oct 26, 2016AI Perception does not detect multiple actors across multiple sublevels. It appears that sublevels recognize the persistent level actors but do not recognize other sublevel actors. In the sample pro ...
[CrashReport] UE4Editor_PackageDependencyInfo!FPackageDependencyInfo::InitializeDependencyInfo() [packagedependencyinfo.cpp:339]
UE - Foundation - Core - Mar 6, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: DepPkgInfo->bIni ...
Creating Online Session always fails in Launch mode when loading another map
UE - Networking - Aug 5, 2019Creating an Online Session and transitioning to another map does not work in a Launched Windows game. The transition event does fire but it just resets the players position on the Default map. This ...
Crash after activating the game in debug camera mode
UE - Content - Sample - Apr 20, 2022This behavior occurs in Standalone mode. After activating game, the information board for the game changes its meaning ( numbers of players and time set to 12:00) , but editor immediately freezes fo ...
Alt tabbing into the Blueprint Editor while a Microsoft IME keyboard is active causes the editor to freeze
Tools - May 15, 2017If you change focus to the Blueprint Editor (Alt+tab) while a Microsoft IME keyboard is active, the editor will freeze for a short time. The duration of the freeze is dependent on the number of blue ...
FAnimUpdateRateParameters::GetInterpolationAlpha appears to be returning an invalid value for TrailMode
UE - Anim - Aug 5, 2023It appears that FAnimUpdateRateParameters::GetInterpolationAlpha is not returning a sensible value when running in TrailMode. Currently the only variable in the calculation is EvaluationRate which ...
Level Blueprint's Parent Class can be set to another Level Blueprint's generated class
UE - Gameplay - Blueprint - Sep 16, 2015You can assign the Parent Class of Level Blueprint to be the generated class of another Level Blueprint, which gives you the following "Graph is linked to object(s) in external map" error if you try ...
Threading bug in scene capture component
UE - Virtual Production - Sep 14, 2016void USceneCaptureComponent2D::CaptureSceneDeferred() { UWorld* World = GetWorld(); if (World && World->Scene && IsVisible()) { // Defer until after updates finish // Needs some CS because ...
[CrashReport] Game mode crash in UE4Game_Win32_Shipping!TStaticStateRHI
UE - Graphics Features - Feb 21, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.Error message: Access violation - code c0000005 (fi ...