Unreal Engine Issues

Deleting the code files for a custom component from a project will result in an Engine crash when trying to open any Blueprint using that component.

Adding a custom component to a Blueprint and then deleting the code class defining that custom component from the project will crash the Editor any time you try to open a Blueprint containing that c ...

Crash with assigning APEX Cloth that uses a custom graphical mesh

When a graphical mesh is used to create a lower LOD for cloth assets and the Cloth FBX has the APB assigned to the material for the cloth there will be a crash. ...

Packaged ThirdPerson template with "start in vr" enabled packaged and launched with "-nohmd" crashes

The callstack is not XR-specific, it's just the engine trying to secure the audio device on startup, windows failing to return one, and the app not being able to continue safely. The crash does not ...

Printing the result of the 'Get Move Ignore Actors' node will crash the editor

Printing the result of the 'Get Move Ignore Actors' node will crash the editor. The Licensee found the issue while exploring a workaround for this JIRA:https://jira.ol.epicgames.net/browse/UE-14734 ...

Crash assigning static mesh to LightWeightInstanceStaticMeshManager

Crash occurs when the user assigns a static to the Instanced Static Mesh Component in a LightWeightInstanceStaticMeshManager. I couldn't reproduce this with an actor blueprint with an ISMC or HISMC ...

FIXIF: Using the Merge Blueprints feature crashes the editor

Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...

Editor crash when opening Project Settings on Linux

When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...

Hot reload causes AnimBlueprint to lose functionality and crash

Casting to a character class inside of AnimBlueprint after a hot reload caused editor to crash Crash Reporter: [Link Removed] Additionally, Casts fail, breaking AnimBlueprint after a hot reload ...

WP HLOD Crash on Small Cell Sizes

Converted 4.7.2 project crashes on open after successful recompile

User's Project is crashing since converting to 4.7.2. I have attached the project itself below, but after conversations with the user and seeing pieces of the project, this issue may be related to ...