Unreal Engine Issues
Unreal Engine Issues
Ensure when using Ctrl Z to undo painted landscape - UE4Editor_Engine!FPrimitiveSceneProxy::VerifyUsedMaterial() primitivesceneproxy.cpp:599
UE - LD & Modeling - Terrain - Landscape - Feb 9, 2017Note This is a one off crash, that I was not able to reproduce it again. Quickly changing the materials on landscape by painting and undo-ing seems to create this rendering crash ...
Engine Crashes When Previewing ES3_1 With Material Using World Position Offset (Need Custom Stencil)
UE - Platform - Mobile - Feb 15, 2017This crash will only occur when this criteria is met.You have enabled custom depth with stencils in the project settingsA mesh in the scene is rendering to custom depth with a stencil value of 1The ...
Duplicating blueprint instances in a level with added components causes instance to lose component hierarchy
UE - Gameplay - Components - Jan 28, 2019Duplicating Blueprint Actor instances in a level with added Actor components causes instance to lose component hierarchy. ...
[CrashReport] Assertion failure in NameTypes.h after CookOnTheFly
UE - Foundation - Core - Apr 25, 2017This is a top crash occurring for users in the 4.14 and 4.15 releases. Unfortunately no user-descriptions of the issue have been provided, so information is limited. Despite a different callstack, ...
[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]
UE - Anim - Sequencer - May 30, 2017This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...
Override Attenuation Can't be Unchecked When Audio Component Added to Blueprint and Blueprint Attached to Actor
UE - Audio - Dec 20, 2017Checking Override Attenuation in Details < Audio Component < Attenuation disables settings that further adjust the Attenuation. Such as: Attenuation Air Absorption, Attenuation Listener Focus, Atte ...
Levels lose folder hierarchy in Levels window on streaming method change
Tools - Mar 19, 2019In the Level Window, Sub Levels which are nested inside of a folder will lose their hierarchy upon changing their streaming methods. ...
“Receives Decals” is not respected on Procedural Mesh Component
UE - Graphics Features - Oct 14, 2022(Enduring Games) I investigated it and found that the following primitive data flag test in BasePassPixelShader.usf fails: (GetPrimitiveData(MaterialParameters).Flags & PRIMITIVE_SCENE_DATA_FLAG_DE ...
Using Deferred Decal Material With Dbuffer Decal Enabled Crashes Editor
UE - Graphics Features - Nov 16, 2016When using a deferred decal material (while Dbuffer Decals are enabled) on an asset and then going fullscreen in the viewport will cause the engine to crash. Note engine doesn't crash when material ...
Crash When Using Kill Box/Kill Height With Ribbon Emitter
UE - Niagara - Mar 29, 2017Ribbon type particles seem to crash the engine if they enter a killbox. This reproduces 8/10 times on the first attempt, you may need to play with the kill box placement (left corner and right corne ...