Attempting to generate abstract class from blueprint crashes editor on compile

UE - Gameplay - Blueprint - Sep 22, 2016

Attempting to generate abstract class from blueprint crashes editor on compile. Frequency: 4/4 ...

When using Ctr+A and The Ctr+C in the TwinStickPawn Buleprint it will crash

UE - Gameplay - Blueprint - Jan 5, 2015

When using a combination of Ctr+A and then Ctr+C in the pawn blueprint of the twin sticks project it will cause a crash. ...

Crash on Build All Levels

UE - World Creation - Worldbuilding Tools - HLOD - Apr 7, 2022

Crash on Build All Levels after a HLOD warning. EXCEPTION_ACCESS_VIOLATION reading address 0x00000000000000f0 ...

Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan

UE - Rendering Architecture - RHI - Oct 20, 2022

This is a regression. Tested in: //UE5/Release-5.0 CL 20979098 - Crash did not occur. Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan. ...

Previewing Nav Mesh in DX12 Mode causes Editor to Crash

UE - Graphics Features - Mar 7, 2016

In UE4.11p6, previewing Nav Mesh in DX12 Mode causes Editor to crash. ...

Crash when attempting to merge two objects using Simplygon - ProxyMaterialUtilities::CreateProxyMaterialInstance

UE - Gameplay - Aug 4, 2016

Engine crashes on completing a simplygon merge of two actors Note If you set On screen size to 50, you can speed up the merge to get to the crash quicker ...

Calling SetMassOverrideInKg in a constructor will crash the engine on launch

UE - Simulation - Physics - Feb 25, 2016

Calling SetMassOverrideInKg reaches back to a "check(GEngine)" call in BodyInstance.cpp (line 2998). B/c of this check, the engine will crash on load if SetMassOverrideInKg is called inside a class ...

Crash when applying a LandscapeVisibilityMask material to a Landscape's material slot

UE - LD & Modeling - Terrain - Landscape - Apr 28, 2017

Crash that occurs when applying a masked material (with LandscapeLayerBlend and LandscapeVisibilityMask) to a Landscape's material slot. This is a regression: broken in 4.16.0 CL 3405315 worked in ...

Crash when clicking on tutorial prompt for signing keys on Mac

Tools - May 2, 2017

Attempting to package for TvOS on Mac without a signing key produces an error in the message log informing the user of the missing key. The error has a link to a tutorial on how to resolve it. Click ...

gltf 2.0 Blender Polly Import crashes

OLD - Enterprise - Aug 29, 2019

Trying to import the Polly sample model for gltf 2.0 crashes Editor. User know that the Plugin is experimental but as the Polly Model is used for Blender gltf development, it should work. The crash ...