Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Slate!FSlateApplication::RoutePointerMoveEvent() [slateapplication.cpp:5195]
UE - Editor - UI Systems - Slate - Jun 28, 2017This is a longstanding crash that occurs with low frequency, but has affected over 200 users. One user describes that this occurred while packaging a project, although other users have not provided ...
[CrashReport] UE4Editor_SequenceRecorder!<lambda_ffd596aba4580204f4fb2f5c21d9754c>::operator() [actorrecording.cpp:139]
UE - Anim - Sequencer - Oct 12, 2017This is a common and longstanding crash that has occurred since at least 4.14. User DescriptionsRecording sequencer cinematic on character panw. Using Vr static meshes. A sequencer object was alrea ...
[CrashReport] Assertion failed: !PinRef->bWasTrashed - UEdGraphPin::SerializePin()
UE - Gameplay - Blueprint - Sep 8, 2017This is a common and longstanding crash that has affected more than 200 users since at least 4.15. This crashGroup was previously associated with [Link Removed], but that specific repro case has be ...
[CrashReport] FBlueprintEditor::OnRemoveExecutionPin()
UE - Gameplay - Blueprint Editor - Jul 14, 2017This is a common crash affecting users on Mac and Windows. User Descriptionsremoving empty execution pins from sequence node Source Context 3952 void FBlueprintEditor::OnRemoveExecution ...
Functional Test won't start when placing a moving actor inside the level if setting Navigation Mesh's Runtime Generation to Dynamic
UE - Automation Test - Mar 21, 2019User is trying to use the Functional Test class to construct some automated test cases. Whilst doing this they noticed that adding a BP_Actor (just a static mesh engine cube) that simply rotates (v ...
Rendering of a Text Widget with Outline does not track LayerId correctly
UE - Editor - UI Systems - May 27, 2025Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...
HLOD generated proxy doesn't create or assign target lightmap coordinate index any longer
UE - World Creation - Worldbuilding Tools - HLOD - Sep 6, 2016There are instances where HLODs will either generate a lightmap but not assign it to the correct Lightmap Coordinate index from the target lightmap setting in the HLOD outliner or the Lightmap will ...
Virtual Scouting Interactor / VR Scouting Tools Menus appear Black when using real-world lighting values (i.e. 70k lux)
UE - Virtual Production - Tools - VR Scouting - Sep 27, 2021The Virtual Scouting tools appear black in scenes using real-world physical lighting values due to their UI Material Domain since they do not have an emissive channel and do not accommodate viewport ...
Packaging fails after changing from Dynamic to Static Nav Mesh Runtime Generation
UE - AI - Feb 8, 2016If you package with Runtime Generation set to Dynamic and then switch to Static and attempt to repackage, the packaging will fail with the following error message.[2016.02.08-16.18.14:511][217]MainF ...
Crash can occur when calling GetSkinnedVertexPosition on a skeletal mesh with a slightly different bone hierarchy than the skeletal mesh whose skeleton it is using
OLD - Anim - Apr 12, 2017MDW: In progress (Dev-AnimPhys CL 3392820) When calling GetSkinnedVertexPosition on a skeletal mesh that uses the same skeleton as a different skeletal mesh with a slightly different bone hierarchy ...