Unreal Engine Issues

Crash with Twitch Live Streaming Plugin

The user is trying to get the Twitch LiveStream Plugin to work. After reading through some more recent Forum posts as well as the initial implementation of the Plugin within the release notes, it is ...

Crash on null NavData when switching levels

Crash when starting VREditor and then changing levels

attached video below if you are unsure of repro ...

Crash frequently when switch the material viewer

This happens almost 100% on a MBP/MaxOS, (2.3GHz Quad-Core Processor ,8GB 2133MHz LPDDR3 memory), also happens in a lower frequency on PC/Windows, (nvidia 1080, 64 memory)  ...

Scaled Geometry Collection made from non-basic Static Mesh Crashes Editor

Reproduced 3/3 times. So far tested with the Chair and Statue from the Blank Template Editor Default level. Error Reads as follows:Assertion failed: IsValid() [File:D:\build\++UE5\Sync\Engine\Source ...

Crash attempting to play in Mobile Preview

This is a regression from 4.14.3 ...

Navigation crashing on PIE in absence of NavOctree

Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!UNavMeshRenderingComponent::GatherData() + 18874 bytes [e:\downloads\unrealengine-4.7\unrealengine-4.7\engine\s ...

Creating multiple Scalar Parameter nodes with a different values will crash the editor

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...

RHILockTexture crash with ray tracing enabled

Looks like it's a resource state tracking assert issue on the resource. ...

AddTimedDisplay causes crash when changing level

RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...