Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Access Violation - UModelComponent::GetPhysicsTriMeshData() [modelcomponent.cpp:673]
UE - Simulation - Physics - Oct 2, 2017This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], which was ju ...
Mesh Vertex Painting Broken for Splines
UE - Rendering Architecture - May 22, 2023The mesh painting mode appears to no longer work on splines, as the vertexes seem to have all vertex colors at 1, 1, 1, 1 by default, and can't be removed or painted anything else. ...
Crash launch application adding .umap url
UE - Foundation - Core - Aug 6, 2020The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...
FLinearColor ignores Blue in slate code
UE - Editor - UI Systems - Slate - Jan 17, 2017When FLinearColor is used inside slate code, the third vector value is ignored. This causes FLinearColor(1,1,1) to produce the same color as FLinearColor(1,1,0). This also causes FLinearColor::Blu ...
When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled
UE - Foundation - Cpp Tools - Sep 19, 2018From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...
Error launching onto HTML5: "Expression (0) failed in \Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:428!"
UE - Platform - Mobile - May 9, 2017This is launching on to Firefox 53.0.2 (64-bit) and also occurs in Main. Error message:uncaught exception: ASM_CONSTS<@blob:http://localhost:53501/4354ee7b-de4a-419b-b0bc-5d58ff557ed2:1:38655 _emsc ...
Projects crash when launching onto Firefox 64-bit
UE - Platform - Mobile - May 8, 2017QAGame crashes when it launched onto Firefox. The following exception occurs with the error message:*Expression (0) failed in D:\UE4_Dev-Rendering\Engine\Source\Runtime\Core\Private\Async\TaskGraph ...
When adding the UIRenderer to the Movie Render Queue, the rendering output is a difference in PIE and MRQ.
UE - Anim - Sequencer - MRQ - Dec 5, 2023UI rendering in PIE and UIrenderer rendering in MRQ produce different output results. This is because when dealing with fades in the UI, the rendering results should not be different. Workaround ...
Deleting a spline point of a spline blueprint then moving crashes editor
Tools - Jul 7, 2015If you delete an end point of a spline blueprint and then attempt to move the blueprint the editor will freeze and eventually crash. Frequency: 1/1 CrashReporter: [Link Removed] ...
Two Sided Foliage doesn't receive VSM shadow with Opacity 0
UE - Graphics Features - Jan 25, 2024Two-Sided foliage materials with an Opacity of 0 ignore any shadows cast with Virtual Shadowmaps, even in a completely sealed environment. This did not happen in UE 5.1.1 ...