Editor crashes on launch after hot reload with multiple modules

Tools - Feb 16, 2017

The editor will crash on open after a hot reload if there are multiple modules in the project. Regression: No - behavior also occurs on 4.14.3 (CL 3249277) Workaround: Compiling with the editor clo ...

Editor Crash when blueprint Self reference is passed by reference

UE - Gameplay - Blueprint - Feb 7, 2017

When a custom event has an input whose type is a reference to an object (Actor-Reference, Player Controller - Reference, etc) and is set to pass-by-reference, passing a reference to the "self" bluep ...

Shipping Build Crashes While Using Oculus Online Subsystem Plugin

UE - Networking - Aug 12, 2016

Packaging a game for shipping that contains the Online Subsystem Oculus plugin will cause a crash. This does not occur if the game is packaged for development. ...

Editor crashes opening MyCharacter BP after converting to 4.5

UE - Gameplay - Blueprint - Nov 4, 2014

On a Mac, when opening a custom character blueprint from a project that has been converted to 4.5 from a previous version of the engine, the engine immediately crashes. ...

Crash when setting a module input to read from a new user parameter

UE - Niagara - Jun 2, 2020

Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...

Dedicated server crashes when ran from Editor

UE - Networking - Feb 14, 2018

When using a dedicated server in the editor it crashes after running a few seconds ...

Crash compiling blueprint referenced by Level Sequence while sequence is open

UE - Anim - Sequencer - Jul 19, 2017

Compiling a blueprint that is used in a sequence when the blueprint exists on a sublevel will cause a crash if the level sequence is currently open. ...

Crash When Loading a SubLevel With HierarchicalInstancedStaticMeshComponent and SphereReflectionCapture via the Levels Window

UE - Graphics Features - Aug 30, 2018

The editor crashes when loading a SubLevel with HierarchicalInstancedStaticMeshComponent and SphereReflectionCapture via the levels window. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# ...

Editor crash when calling function that contains a local Map varaible

UE - Gameplay - Blueprint - Mar 20, 2017

When a function contains a local map variable, calling the function causes the editor to crash. This only occurs is the map is defined at the function level, no crash occurs if the map is declared ...

Editor crash when adding a spline component after having deleted another spline component

UE - Gameplay - Sep 26, 2016

After adding a duplicate spline point, removing the spline component while the duplicated point is selected and creating a new spline in its place causes the editor to crash. Crash Reporter: [Link ...