Unreal Engine Issues
Unreal Engine Issues
Unnamespaced UnrealMathUtility.h macros clash with other headers
UE - CoreTech - Jan 25, 2022Reported here: [Link Removed] > See this commit: > > https://github.com/EpicGames/UnrealEngine/commit/acd754e12dc9a7ffc7f173c8433a6bafc0262b51#diff-b18d4f9b879748fdacff2caa885b231e8c9e0b899d90d5d ...
Null Material Layers in Material Instances cause Opacity Mask and WPO to break on Nanite Meshes
UE - Rendering Architecture - Materials - Oct 31, 2024When a Material Instance is loaded that has a nullptr layer in StaticParametrs.Materiallayers. The Material Instance will create it's own CachedExpressionData but the ConnectedParameterMask will be ...
Staging Directory in Project Packaging Settings should not be saved as absolute path
UE - Foundation - Data Pipeline - Cooker - Jun 8, 2021When you package a project via the editor, it updates the ProjectPackagingSettings to set the StagingDirectory to the specific one chosen by the user. However, it saves this path as an absolute path ...
Preview Rendering Levels Do Not Display Supported Optimization Viewmodes in Viewport Dropdown
UE - Platform - Mobile - Apr 2, 2019When attempting to set an optimization viewmode while using a Preview Rendering Level other than Shader Model 5, the Optimization Viewmodes dropdown is missing all of its options and instead display ...
Crash when adding Actor Array Element to a Sequencer Event Struct
UE - Anim - Sequencer - May 25, 2017Crash when adding Actor Array Element to a Sequencer Event Struct Error message: Assertion failed: 0 [Link Removed] [Line: 56] Source Context: 42 N = FName(*StringName); 43 ...
LevelEditor: "Replace Actor" marks level as dirty even when using external actors
UE - World Creation - Worldbuilding Tools - Jul 15, 2024When using external actors, adding/removing/replacing/editing an actor instance inside a level does not cause any modification to the Level package, which helps reduce contention for the map file on ...
[CrashReport] UE4Editor_Slate!TAttribute<FText>::Get() [attribute.h:130]
UE - Editor - UI Systems - Slate - Jul 13, 2017This is a common crash affecting users in 4.16 User DescriptionsI imported an FBX and the editor crashed.alembic import from brekelwhats wrong with the ue4 alembic importer? Source Context 120 ...
[CrashReport] UE4Editor_Engine!FDistanceFieldAsyncQueue::Build()
UE - Graphics Features - Jul 24, 2017This is a common crash callstack that has affected more than 300 unique users since at least the 4.11 release. Other Jiras in the past with similar callstacks include [Link Removed] and [Link Remo ...
[CrashReport] UE4Editor_SlateCore!FHittestGrid::GetBubblePath() [hittestgrid.cpp:145]
UE - Editor - UI Systems - Slate - Oct 27, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Based on the affected project names, this crash seems co ...
[CrashReport] Access violation - FLandscapeEditDataInterface::SetAlphaData()
UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017This is a common crash affecting users in 4.15 and 4.16. This callstack was previously linked to [Link Removed], but that had a specific repro case that was fixed in 4.14. Users are not providing ...