Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::operator=() [weakobjectptr.cpp:28]
UE - Anim - Sequencer - Nov 3, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...
Frame-locked sequencer intermittently triggers notify state end event
UE - Anim - Runtime - Mar 10, 2026Frame-locked Sequencers can occasionally produce frames with a zero delta time due to frame number truncation. When this occurs, if the animation cursor is within the range of a Notify State that is ...
RemoteMac.cs fails to build if ProjectFile is null
UE - Platform - Mobile - May 17, 2019See CL 6473818. Remote compiling on a Mac is triggering a NullReferenceException for me, making me unable to build. I was able to delete the crashing lines locally to work around it for now.line 91 ...
Multiple Materials not assigned to Mesh on Import
UE - Editor - Content Pipeline - Import and Export - Jan 6, 2017Not all material elements are created and assigned to the static mesh using multiple materials. With the attached mesh, only the first element is created and the other two are left non-existent. I c ...
Crash applying animation blueprint with sub instance to Skeletal Mesh Component
OLD - Anim - Aug 3, 2016Crash occurs when the user sets Anim Class in a Skeletal Mesh Component to an animation blueprint with a Sub Anim Instance node. ...
[CrashReport] UE4Editor_Engine!USkeleton::GetSmartNameContainer() [skeleton.cpp:1315]
OLD - Anim - Oct 5, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 1300 FSmartNameMapping* Mapping = SmartNames.GetContainerInternal(ContainerName); 1301 ...
Sub Animation Blueprint causes crash when compiling character BP
OLD - Anim - Dec 9, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 931 OutputCurveMap(AnimationCurves[(uint8)EAnimCurveType::AttributeCurve], Canvas, Displa ...
Compile fails when attempting to launch on to Windows with Raw Input plugin enabled
UE - Gameplay - Input - Nov 9, 2016Compile fails when the user attempts to launch on to Windows with the Raw Input plugin enabled. Error:LogPlayLevel: xgConsole: Module.RawInput.cpp LogPlayLevel: xgConsole: d:\framework\engine\plug ...
Android compile failure with GearVR
UE - Platform - XR - Jul 11, 2017Compiling failure from several compile errors in the output log. They're of same type like this:UATHelper: Packaging (Android (ETC2)): xgConsole: In file included from D:\Streams\UE4_Release\Engine\ ...
Plugin Config filenames need to be different for Engine vs Game plugins
UE - CoreTech - Aug 16, 2021Right now, plugins installed to the game directory will only load plugin-specific config files with the path /Project/Plugins/PluginPath/Config/*Default*PluginName.ini. However, engine plugins will ...