Unreal Engine Issues

LidarPointCloud plugin causes crash on startup in packaged game on Mac

UFUNCTION in a derived class with a different signature will cause a crash when called

Reported by AnswerHub user. UHT should block UFUNCTIONs which hide other UFUNCTIONs with the same name but different signature. ...

Editor crash when compiling a blueprint containing `SetAvoidanceEnabled` call in construction script.

Crash on exit when using -opengl4 and visualizing a material buffer "vis BufferName"

Upon exit it appears that some resource is trying to clean itself up after the RHI has been destroyed. Call stack (approximated) looks like: FOpenGLDynamicRHI::InvalidateTextureResourceInCache() ~F ...

Crash in Forward Renderer DX11 RHI Impl when using VR PIE

// enforce color target is <= depth and MSAA settings match if(RTTDesc.Width > DTTDesc.Width || RTTDesc.Height > DTTDesc.Height || RTTDesc.SampleDesc.Count != DTTDesc.SampleDesc.Count || ...

Crash upon opening packaged game when Event Driven Loader is disabled

Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...

Sequencer crashes when scrubbing characters with sub-anim instances and montage slots

I saw a following assertion. Assertion failed: (AdditivePoses.Num() > 0) || (NonAdditivePoses.Num() > 0) [Link Removed] [Line: 1381] This is my quick fix// code placeholder void FAnimInstance ...

Fix possible crash if Android audio manager does not support certain properties

Not checking for a property not being supported by audio manager, need to protect it against NULL ...

Crash occurs loading a sublevel containing landscape with ray tracing enabled

In raytracing enabled, When loading a sublevel containing landscape with LoadStreamLevel function following error is shown. Assertion failed: Pair != nullptr [Link Removed] [Line: 584] Licensee re ...

Sequencer crashes when using Transform variable added to Scene component BP

This issue has not occurred in previous versions and seems to occur from 4.27. ...