Unreal Engine Issues
Unreal Engine Issues
Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.
UE - Gameplay - Blueprint Compiler - Oct 13, 2017When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...
The ReceivedSpectatorClass function in APlayerController may take an incorrect parameter
UE - Gameplay - Jul 7, 2015The ReceivedSpectatorClass function in APlayerController may have an incorrect parameter. The parameter it takes in is TSubclassOf<AGameMode> SpectatorClass, but this may be intended to be TSubclass ...
Ambient Occlusion does not function with Forward Rendering enabled
UE - Graphics Features - Feb 24, 2021Ambient Occlusion does not seem to function when enabling Forward Rendering. I tested the level without Forward Shading and could notice a visible difference in the shadows when Ambient Occlusion wa ...
Static lighting crash on 5.4 when using landscape with WPO
UE - Graphics Tools - Terrain - Landscape - May 22, 2024When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...
Clearcoat shader disappears if any asset using the Material leaves lighting
UE - Graphics Features - Aug 19, 2015Clearcoat Shader will stop receiving lighting information if any mesh assigned the material using the shader leaves lighting. Also Reproduced in Launcher 4.9 Preview 4, Main-CL-2660934 [Image Remo ...
Using nativized functions on buttons to spawn meshes causes assertion failure
UE - Gameplay - Blueprint - Oct 25, 2016An assertion failure is thrown when using nativized functions on an Android device. ...
OnPaint function causes artifacts to show up in a New Editor window
UE - Editor - UI Systems - Jun 17, 2015If the the onpaint function is used it can cause the top and left sides of the screen to retain artifacts. Attached image for reference. ...
[SM5] Material.usf Error when Previewing Material Function Output
UE - Graphics Features - Jul 21, 2016A user on the AnswerHub found an SM5 material error within his material function after following the tutorial below. [Link Removed] I followed the tutorial until I reached the point in which the e ...
Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine
Tools - Dec 31, 2019When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...
Functions within timers are not being fired off in widgets when set of the default cursor (Standalone mode)
UE - Editor - UI Systems - Mar 2, 2015If a user has a custom cursor that uses timers that call a function in 4.7, the functions will not run when that widget is applied as the default mouse via the Edit > Project Settings > User Interfa ...