Unreal Engine Issues
Unreal Engine Issues
Editor Crashes when importing some FBXs with multiple Material IDs in 4.14.2
UE - Editor - Content Pipeline - Import and Export - Jan 5, 2017This is a regression in behavior between 4.14.1 and 4.14.2! The editor will crash when importing FBX meshes that have multiple material ID assignments. If it's a single material ID it will import w ...
[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]
UE - Graphics Features - Jun 14, 2017This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...
Get Physics Linear Velocity node does not return the correct values in UE5
UE - Simulation - Physics - Nov 24, 2021The Get Physics Linear Velocity node seems to only output a vector of 0.0, 0.0, 0.0 no matter what the velocity of the object it's measuring is. Tested in //UE4/Release-4.27 @ CL 17735300 and th ...
[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::ReshapeWindow()
UE - Platform - Apple - Dec 1, 2017This is an infrequent Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to both [Link Removed] and [Link Removed] Call ...
PrimaryAssetLabel Assets are getting stripped from ShooterGame on the Launcher
UE - Foundation - Build - Rocket (Installed Engine) - Aug 7, 2017PrimaryAssetLabel assets are missing when creating the project through the UE4Launcher, they exist in Source builds. The ShooterGame PrimaryAssetLabel assets were created in 4.16 so this is not a r ...
ListView crashes when GlobalInvalidation is enabled.
UE - Editor - UI Systems - Slate - Jan 11, 2022Reverting to the fix in [Link Removed] (CL#17788567) will avoid the crash. ...
[CrashReport] Assertion failed - FAssetEditorManager::OpenEditorForAsset()
UE - Anim - Sequencer - Jul 20, 2017This is a common crash affecting users in 4.16. Unfortunately they have not provided any additional information ...
CharacterMovementComponent: simulated proxy can go into falling due to linear velocity quantization when using custom gravity
UE - Gameplay - Components - Mar 8, 2024The character movement component in void UCharacterMovementComponent::SimulateMovement(float DeltaSeconds) evaluates whether to find the floor when simulating the movement of the simulated proxy ...
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 ...
Cached component instance data transform did not match! Warnings in Content Examples
Docs - Samples - Oct 27, 2016Lighting is unbuilt in all levels in Content Examples. Multiple warnings appear in the log "Discarding cached lighting data which will cause lighting to be unbuilt" LogStaticMesh:Warning: Cached co ...