Unreal Engine Issues
Unreal Engine Issues
Project does not cook with actors containing ModularSynth component
UE - Audio - Sep 11, 2017A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...
CLONE - Project does not cook with actors containing ModularSynth component
UE - Audio - Sep 13, 2017A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...
GoogleVR apps prevent adjusting the volume for the phone while running
UE - Platform - XR - Oct 3, 20164.13.1 has caused an issue where the volume can no longer be adjusted for a GoogleVR application. This is a regression of functionality in 4.13.0. Tested with build: Working: 4.13.0 Binary CL-310 ...
Lens Flares are appearing in Other Player's Windows
UE - Graphics Features - Jul 28, 2015On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...
Material Parameter Collections are not working on Android v 5 phones from 4.11
UE - Platform - Mobile - Feb 9, 2016Material Parameter Collections are not successfully passing stored values into Materials when packaged for an Android Phone with an OS version of 5. Both version 4 and 6, correctly use the MPC.Test ...
LogHttp:Warning: 0000024E4A050880 Response Header Content - Issue with the Survey
Tools - Feb 28, 2017LogHTTP:Warnings are populating in the output log when the editor opens any project in 4.15.1 This is not occurring in //UE4/Main This is not occurring in 4.14.3 Marking as regression WarningsLo ...
Crash when Copy/Pasting from Older UE Versions
UE - Editor - Workflow Systems - Mar 17, 2023When copy/pasting scene objects from older Unreal versions into Unreal 5.1, the editor will crash. ...
ResetToDefault() incorrect behavior with multiple components selected with different defaults
UE - Framework - Blueprint Editor - Oct 2, 2023In the blueprint editor when selecting multiple components and resetting a property that exists on both components to its default value, when the components had different default values the editor r ...
Crash at compile time when using a VariableSet node with a local variable created by pasting a private property
UE - Framework - Blueprint - Oct 7, 2025When a property is created in this way, a local variable with a Private flag is generated. Since such a variable is generally not desirable, it would be better to remove the Private flag upon pastin ...
A partially broken Geometry Collection ends up with garbage CollisionGroup data that can lead to strange behaviors
UE - Simulation - Physics - Destruction - Apr 27, 2025A partially broken Geometry Collection (GC) ends up with garbage CollisionGroup data that can lead to strange behaviors. The licensee has noticed that a GC that goes thru a field applying ExternalS ...