[CrashReport] Crash on FMaterialEditor::OnCanPromoteToParameter()

UE - Rendering Architecture - Materials - Jun 22, 2017

This is a common crash in the 4.16 release (affecting Windows and Mac). A log file is attached. Users have not provided descriptions so additional information is not currently available. Windows C ...

[CrashReport] Linux crash - FMonitoredProcess::Launch()

UE - Platform - Linux - Sep 14, 2017

This is an infrequent Linux crash occurring in 4.17.1. Callstack from Log[2017.09.06-15.26.30:028][666]LogLinux: Error: appError called: Assertion failed: Assertion failed: [File:/home/***/.local/ ...

Editor crashes when adding custom CameraComponent to BP with CameraSettings hidden

UE - Gameplay - Components - Oct 8, 2015

Using the HideCategories = (CameraSettings) specifier inside a custom CameraComponent class will cause the editor to crash when the component is added to a blueprint. Restarting the editor will sho ...

Pressing "+" element in landscape grass type asset crashes editor

UE - LD & Modeling - Terrain - Landscape - Jul 31, 2015

Creating a landscape grass type and then pressing the + to add an element crashes the editor. Frequency: 2/2 Crashreporter: not currently available ...

[CrashReport] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()

UE - AI - Sep 8, 2017

This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...

LIVE: Changing a Custom Event to Multicast in a parent blueprint causes crash

UE - Gameplay - Blueprint - Nov 13, 2014

Changing a Custom Event to Multicast in a parent blueprint causes crash if the Custom Event is being used in the child blueprint. Callstack: MachineId:DE189244480D3CD0F8CA729A02DD38A6 UserName:tjb ...

Crash Occurs When Using Invalid HideCategories

UE - Gameplay - Blueprint - Aug 8, 2016

The licensee is experiencing a crash when using UCLASS(HideCategories = (Activation, LOD, Collision, Rendering, TextureStreaming, Lighting, Mobile, Transform, Physics, Tags)) This crash occurs afte ...

Project does not cook with actors containing ModularSynth component

UE - Audio - Sep 11, 2017

A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...

CLONE - Project does not cook with actors containing ModularSynth component

UE - Audio - Sep 13, 2017

A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...

Packaging fails with Event Driven loader enabled and two function libraries reference each other

UE - Foundation - Core - Mar 29, 2017

Packaging fails with Event Driven loader enabled and two function libraries reference each other even though the functions referenced in each library to NOT call each other in such a way as to creat ...