Android Random Startup Crashing

UE - Platform - Mobile - Sep 9, 2020

Licensees are reporting random crashes at startup, with randomly different messages, but it seems that all have a "low-address null pointer dereference".  The licensee believes that the phone someti ...

Frequent crash building lighting after sculpting landscape

UE - Graphics Features - Dec 21, 2016

Frequent crash occurs once when building lighting after editing a landscape. I added components to the landscape, sculpted, and flattened it. I wasn't able to reproduce the issue again, so the abo ...

GAS: AbilitySystem.DebugAttribute crashes client when server added runtime constructed GEs

UE - Gameplay - Gameplay Ability System - Aug 8, 2023

In a networked PIE session, when the server has applied a programmatically constructed GameplayEffect that has duration policy = Infinite or HasDuration, this results in a client crash when the clie ...

Editor Crash after Compiling Primary DataAsset

UE - Gameplay - Blueprint Compiler - Feb 16, 2023

After compiling a data asset blueprint, attempting to open the parent data asset will crash the editor. From licensee: This is because in FAssetEditorToolkit::InitAssetEditor() the objects in Objec ...

Crash when using StepToNextShot / PreviousShot with sequencer

UE - Anim - Sequencer - Jul 24, 2018

A crash occurs when you press the Shift key + [.] (Period) key after double-clicking on one of the arranged level sequences in the master sequence. The cause is ActiveTemplateIDs of FSequencer. The ...

GameFrameworkComponentManager crashes when modifying init state callbacks during state change

UE - Gameplay - Feb 28, 2024

The GameFrameworkComponentManager has a system for registering callbacks to execute in response to event changes. This ends up calling UGameFrameworkComponentManager::CallFeatureStateDelegates which ...

Unreal crashes when you connect scalar node to scalar input, when material function has a vertex interpolator

UE - Graphics Features - Mar 19, 2018

There is an issue occurring where Unreal crashes when you connect a scalar node to scalar input when the material function has a vertex interpolator. This issue causes the engine to crash, but the i ...

Editor crashes when using pause node in PIE while running on dedicated server

UE - Gameplay - Dec 4, 2014

If a user pauses a game while running on a dedicated server the engine will crash. Note: this crashes even when user is given an option to unpause game. Frequency: 2/2 Crash Reporter: [Link Rem ...

Using the Execute Console Command node to run demoplay causes the editor crash/freeze

UE - Networking - Nov 13, 2015

This bug has different behavior throughout the 4 different versions listed. 4.8.3 - Gives an assert 4.9.2 & 4.10 - Gives a fatal error crash 4.11 (Main) - Freezes the editor without a crash report ...

Editor Crashes when enabling Vertex Colors on an imported Skeletal Mesh with Morph Target Animations

UE - Graphics Features - Oct 11, 2018

Licensee wants to be able to import skeletal meshes which have Vertex Colours (their entire game is Vertex Coloured) and Morph Target animation, but they're seeing a crash when toggling Vertex Color ...