Retargeting an Animation to a Skeleton with a Virtual Bone causes the Engine to crash

OLD - Anim - Jan 14, 2019

This crash occurs when trying to retarget an animation onto another skeleton with a retargeting rig that references a virtual bone. This issue could be similar to [Link Removed] This issue was re ...

ShooterGame server crash Failed to find Font VRText_RobotoLarge

UE - Editor - Workflow Systems - Aug 23, 2016

ShooterGame servers crash on the Linux and Mac machines. The following failed to find Font warnings appear in the output: [2016.08.23-16.59.05:186][ 0]LogUObjectGlobals:Warning: Failed to find ob ...

[CrashReport] Crash When Undoing Changes in Widget Blueprints

Tools - Oct 13, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

//UE5/Main - UE.EditorAutomation(RunTest=Physics) Win64 - CableActor_CableCameraActor6 and 2 tests failing due to cable actor disappearing

UE - Graphics Features - Feb 22, 2021

### The following test(s) failed: ##### BasicCableComponentMaterials: Project.Functional Tests./Game/Tests/Actor/CableActor.BasicCableComponentMaterials * LogAutomationController: Error: S ...

[CrashReport] UE4Editor-CoreUObject.dylib!UPackage::Save() during COTF

UE - Foundation - Core - Cooker - Nov 21, 2017

This is a common Mac crash that has occurred since at least 4.17.1 User DescriptionsJust trying to launch my project on any output I can. No luck.launching AR project on IOS device. Ugg. Last adjus ...

Adding a new macro to a Blueprint Macro Library after renaming the first macro causes a crash

UE - Gameplay - Blueprint - Mar 17, 2022

It seems the editor crashes when adding a new Macro to a Blueprint Macro Library. This only occurs if you rename the macro that gets automatically created when you open the macro library to somethin ...

Editor crash when using Straighten Connection shortcut key

UE - Gameplay - Blueprint - Feb 8, 2017

Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...

Rigidbody not moving when small force is applied, and only rotates when angular impulse ≥ 7

UE - Simulation - Physics - Solver - Jan 3, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Crash occurs when diffing blueprint that has had one of its variables changed to a Soft Object Reference

UE - Gameplay - Blueprint Editor - Oct 3, 2017

A crash occurs when diffing a blueprint that contains an array that has changed from an Object Reference to a Soft Object Reference. Note: I figured that this could be related to another bug that I ...

A partially broken Geometry Collection ends up with garbage CollisionGroup data that can lead to strange behaviors

UE - Simulation - Physics - Destruction - Apr 27, 2025

A partially broken Geometry Collection (GC) ends up with garbage CollisionGroup data that can lead to strange behaviors. The licensee has noticed that a GC that goes thru a field applying ExternalS ...