Using the Set console command to change a value at runtime causes a crash

UE - Gameplay - Dec 9, 2015

When using the Set command to change the value of a class at runtime, the game instance will crash with an access violation. Note: This needs to be done in Standalone or a packaged version for this ...

Disabling Disregard for GC with an invalid asset in GameplayTagTableList causes a controlled crash

UE - CoreTech - UObject - Jul 31, 2024

Disabling Disregard for GC leads to a crash in GarbageCollectionVerification.cpp VerifyObjectFlags. This crash occurs when there is an invalid path specified in GameplayTagTableList. The cause of t ...

Editor crash when trying to launch on an Android target device from a Mac native platform

UE - Platform - Mobile - Jul 28, 2016

The one time it did not instantly crash after pressing the Launch button, I had to Kill -9 <PID> UE4Editor because it was using 129% of my CPU for 50 minutes. ...

Trying to type of a text box that is applied to a 3D widget will result in a crash

UE - Editor - UI Systems - Feb 16, 2015

After placing a Textbox in a widget and then adding it to the level in the form of a 3D widget, the editor will crash if the user attempts to use it. ...

Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array

UE - Niagara - Jun 22, 2020

Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array ...

Setting the sequence of a Level Sequence Actor after playing a sequence with an event will crash if played

UE - Anim - Sequencer - Mar 9, 2023

The editor crashes trying to find an event on the other level sequence when playing back the new one. ...

Divide by zero in beam update can cause editor to crash in Cascade

UE - Niagara - Sep 23, 2019

The licensee has traced the issue back to a divide by zero in  UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...

Adding a macro graph through MyBlueprint and then calling undo causes a crash updating the macro tooltip.

UE - Gameplay - Blueprint - Dec 1, 2015

Undoing the creation of a new macro in MyBlueprint whilst displaying the new macro tooltip causes a crash trying to update the tooltip. ...

[Audio Synesthesia] - Setting a Synesthesia NRT's settings to None crashes editor

UE - Audio - Nov 7, 2022

Setting an Audio Analysers NRT settings to None crashes the editor. Assertion failed: nullptr != LoudnessSettings [File:D:\SMoyls_UE5_Release-5.1\Engine\Plugins\Runtime\AudioSynesthesia\Source\Audio ...

Editor crashes when attempting to play a recorded demo - Assertion failed: IsGameWorld() && GetCurrentLevel()

UE - Networking - Oct 9, 2018

Editor crashes when attempting to play a recorded demo - Assertion failed: IsGameWorld() && GetCurrentLevel() This issue occurs when using a template project or QAGame. This does not occur when usi ...