[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 ...

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. ...

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 ...

Editor Crash when attempting to enter Mesh Paint / Landscape /Foliage Modes while Simulating

UE - Editor - Workflow Systems - Jan 12, 2017

Editor crash will occur when a user attempts to enter the Mesh Paint, Landscape, or Foliage modes while Simulating. Links to CrashReporter: Foliage: [Link Removed] Landscape: [Link Removed] Mesh Pa ...

[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2153]

UE - Anim - Sequencer - Jun 3, 2016

Really close to the repro steps for [Link Removed] Same repro steps produced the following Buggs along with this one: [Link Removed] [Link Removed] Error message: Fatal error: [Link Removed] [Lin ...

GenerateKDopAsSimpleCollision() clamps vertices that are close to the origin which results in inaccurate primitives

UE - Gameplay - Nov 10, 2015

When DOP simplified collision is generated for a mesh that has vertices that are close to the origin, part of the function till clamp any values between -0.5 and 0.5 to be 0.5 which will cause the r ...

[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync

UE - AI - Navigation - Jan 27, 2025

Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...