Unreal Engine Issues
Unreal Engine Issues
Collision Channel on Particle Systems not saving
UE - Graphics Features - Oct 21, 2014Setting the Collision Channel to anything other than World Static will reset on closing and restarting the editor. ...
[CrashReport] Assertion due to failing to find shader type
UE - Graphics Features - Apr 26, 2017This is an early trending crash in the 4.16 Preview. User information has not been provided, but this shares similarities to an old jira [Link Removed]. Source context: 1434 /** Finds the ...
FMediaFoundationMovieStreamer::Init() returns true even if the movie could not open.
UE - Media Framework - Aug 20, 2025Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false
UE - Graphics Features - Dec 21, 2017Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE. Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...
[CrashReport] UE4Editor_Engine!FUniformExpressionSet::CreateUniformBuffer() [materialuniformexpressions.cpp:382] - IterateOverActiveFeatureLevels
UE - Graphics Features - Jan 5, 2018No user comments ...
[CrashReport] UE4Editor_Landscape!FLandscapeVertexFactoryVertexShaderParameters::SetMesh() [landscaperender.cpp:3137]
UE - LD & Modeling - Terrain - Landscape - Feb 27, 2018No user comments in crash group 3127 if (SectionLodsParameter.IsBound()) 3128 { 3129 if (CurrentLODData.UseCombinedMeshBatch) 3130 { 3131 Set ...
[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::DrawStaticElements() [landscaperender.cpp:1631]
UE - LD & Modeling - Terrain - Landscape - Nov 5, 2018User comments in crash group:Enabled Flat Tesselation on a Terrain Material.I saved the material. 1628 if (HasTessellationEnabled) 1629 { 1630 ***** UMaterialInstance* NonTess ...
An Actor BP with an editable variable that references another Actor in the level will reference multiple examples of that Actor if it is duplicated
UE - Gameplay - Blueprint - Mar 13, 2015An Actor BP with an editable variable that references another Actor in the level will reference multiple examples of that Actor if it is duplicated. Reproduced in 4.7.2 binary and Main (//depot/UE4 ...