Unreal Engine Issues
Unreal Engine Issues
Editor crash when enabling Distance Field AO Visualization in the Forward Renderer
UE - Graphics Features - Jan 9, 2017When forward rendering is enabled along with Mesh Distance Fields if you go to visualize Distance Field AO in the main viewport the editor will crash. This only affects the Forward Render and works ...
Two-sided geometry cannot be enabled for re-imported models when converting from previous versions
TM - Interoperability - Jan 28, 2025When converting files from previous versions of Twinmotion to Twinmotion 2025.1, re-importing any existing imported geometry will cause the geometry to be re-imported with two-sided geometry disable ...
Split Struct nodes do not update if the struct variable is changed
UE - Gameplay - Blueprint - Aug 30, 2017If a struct variable inside a blueprint has its node split, changing the variable form one struct to another does not update the split pin. Recombining / resplitting the struct has no affect. Work ...
LogUMG: Error: The requested size for SRetainerWidget is 0. W:739 H:0 when opening or updating a curve using the StackedCurve view
UE - Anim - Sequencer - Feb 6, 2023The following error is generated in the Output log whenever a Wave Table is opened or any of the graphs are modified. It also occurs when adding an Input to a Sound Modulation Parameter patch or add ...
Crash occurs when a Const Vector 4 and a Screen Position node are passed into a LERP then connected to the Result Node
UE - Rendering Architecture - Materials - Oct 13, 2022Tested in: //UE5/Release-5.1 CL22346211 Crashed with Assertion //UE5/Release-5.0 CL20979098 Crashed with Assertion Crash occurs when a Constant Vector 4 and a Screen Position node are passed into a ...
GetTeamAttitudeTowards is called before AI Controller can spawn and gets a null value
UE - AI - May 6, 2019Licensee is experiencing an issue where GetTeamAttitude is being called before the AI Controller's Construction event. This results in the warning "GetTeamAttitudeTowards - Pawn is null!" being outp ...
Morph targets unable to find B Material
OLD - Anim - Aug 2, 2016Morph targets are not changing colors in some instances and just not doing anything in others(1.1 in Content Examples - MorphTargets) The output log is spammed with: LogMaterialParameter: B materia ...
Autobrake feature in ChaosVehicleMovementComponent is stopping vehicle from sleeping
UE - Simulation - Physics - Mar 5, 2025In ChaosVehicleMovementComponent::CalcThrottleBrakeInput, autobrake is set when a vehicle is stopped - this means that when the car is virtually stationary, the BrakeOut inout parameter is always 1. ...
Blueprint Viewport Not Updating When Destructible Mesh Component is Assigned a Mesh
UE - Simulation - Physics - Destruction - Apr 18, 2016When you add a Destructible Mesh to a Destructible Mesh Component inside of a blueprint, the viewport is not updated with the new mesh. If you add the blueprint to the level and then open the bluepr ...
nDisplay - UMG widgets sync
UE - Virtual Production - nDisplay - Nov 9, 2019As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...