Unreal Engine Issues
Unreal Engine Issues
Divide by zero in beam update can cause editor to crash in Cascade
UE - Niagara - Sep 23, 2019The 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, 2015Undoing 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, 2022Setting 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, 2018Editor 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 ...
Crash occurs when undoing the adding of a node connected to an in-use reroute node
UE - Gameplay - Blueprint Editor - Mar 20, 2018REGRESSION Yes, this does not occur in 4.19.0 or in 4.18 Crash occurs when the user adds a node off a reroute node that's already in use, and then undoes that action. Found when testing around [Li ...
Editor crashes when an Animation Blueprint Template is compiled with 'Layered Blend Per Bone' node
UE - Anim - Runtime - Mar 17, 2022Editor crashes when an Animation Blueprint Template is compiled with 'Layered Blend Per Bone' node. ...
iOS movie become laggy and crashes when played in iPhone 6/6s.
UE - Platform - Mobile - Feb 24, 2017Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...
Engine Crashes When Trying To Reimport Skeletal Mesh For One That Has No Clothing Data
UE - Simulation - Physics - Character - Jan 17, 2020The engine crashes when trying to reimport a skeletal mesh that has no clothing data. This seems related to https://jira.it.epicgames.net/browse/UE-86948. Found in 4.24.1 CL#10757647 Reproduced in ...
Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level
UE - Editor - Workflow Systems - Mar 30, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...
Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing
UE - Anim - Anim in Engine - Jul 11, 2022Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing. ...