Unreal Engine Issues
Unreal Engine Issues
Editor crashes when attempting to open the Window menu after recompiling a Standalone Editor Window plugin
UE - Editor - UI Systems - Slate - Nov 26, 2018Generated from CrashReporter Attempting to open the Window menu in the Editor after having used the Modules window to recompile a Standalone Editor Window plugin will result in the Engine crashing. ...
Crash on hot reload for DynamicDelegate
UE - Foundation - Core - Mar 23, 2020This issue may be badly implemented, but the reference to the VTable may be incorrect during a hot reload. Crash always in sample project. Summary:Call ForeachRow function in Custom Struct constr ...
Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug
UE - Foundation - Feb 28, 2025In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...
Crash compiling animation blueprint with Spline IK node
UE - Anim - Rigging - Dec 13, 2016Crash occurs when compiling an animation blueprint with a Spline IK node. This seems to occur only with the Start and End Bone settings set a certain (perhaps incorrect) way. In the example given, ...
[CrashReport] UE4Editor_D3D11RHI!TerminateOnDeviceRemoved() [d3d11util.cpp:176]
UE - Graphics Features - Nov 18, 2016Error message: Fatal error: [Link Removed] [Line: 176] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG') Source Context: 161 162 const TCHAR* Rea ...
[CrashReport] Mac crash - UE4Editor-Slate.dylib!FTextLayout::GetAsTextAndOffsets()
UE - Platform - Apple - Aug 15, 2017This is a trending Mac crash in 4.17.0 that also had some occurrence in 4.16. Users have not provided any descriptions of their actions when the crash occurred, but the callstack is nearly identica ...
[CrashReport] UObjectBaseUtility::IsA | UObjectProperty::SerializeItem
UE - Gameplay - Aug 15, 2017This is a trending crash coming out of the 4.17 release. Update: also occurring in 4.18 User DescriptionsCompiled after Refreshing Blueprint node after changine its namePressed compile after creat ...
Editing ChildActorComponents on a Parent BP can corrupt a Child BP's state.
UE - Gameplay - Components - Jun 13, 2017Editing the Child Actor Class of a Child Actor Component owned by a Parent BP can corrupt the Child BP's state. This seems related to known serialization issues, where changing a Parent's Property ...
5.5 Static Mesh Import Pipeline Regression
UE - Editor - Content Pipeline - Import and Export - Apr 25, 2025This question was created in reference to: [Link Removed] This post references the first post because this problem was not discovered till now. I think it was masked because the issue appears to be ...
Ongoing D3D 'HUNG' crash in FD3D11DynamicRHI::GetQueryData
UE - Graphics Features - Jan 18, 2017This is a new ticket for the D3D 'HUNG' crash originally reported in [Link Removed]. Some fixes were introduced in 4.14.2 that decreased the occurrences of this crash, but other cases are still ongo ...