Horde server fails to build Docker image

UE - UCS - Horde - Apr 1, 2025

If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...

Reversed Animations don't play properly using Skeletal Mesh Pose and animations with Keep State in Sequencer

UE - Anim - Sequencer - Nov 26, 2018

The bug seems to only reproduce when setting animations in sequencer and only if the animations are set to "Keep state". Setting them to "restore default" makes the reversed animation play correctly ...

Physics Asset details window jitters when shrunk.

Tools - Sep 29, 2014

Branch Build Label UE4-Main Promoted-CL- 2306964 DESCRIPTION: When using the vehicle template and having any wheel selected inside the physics asset, shrinking the size of the details window ca ...

Crash adding an AnimComposite to itself

OLD - Anim - Feb 24, 2017

Error message: Stack overflow - code c00000fd (first/second chance not available) Source Context: 74 void UAnimComposite::GetAnimationPose(FCompactPose& OutPose, FBlendedCurve& OutCurve, c ...

Shipping build crash when unplugging then replugging Oculus HMD

UE - Platform - XR - Nov 9, 2016

Game crashes in shipping build when un-pluging the Oculus HMD, then plugging it back in. Confirmed in 4.13.2 from the launcher, did not repro via same steps in 4.14 preview 3 ...

Creating a copy of BSP after fliping it in geometry edit mode cause the copy to be invisible

UE - LD & Modeling - Modeling Tools - BSP - Aug 29, 2014

Branch Build Label UE4-Main Promoted-CL- 2270796 DESCRIPTION: If a player goes into geometry edit mode and flips a bsp then makes a copy of it the copy will appear invisible ADDITIONAL NOTES: A ...

[CrashReport] UE4Editor_Engine!FAnimCurveBase::SetCurveTypeFlag() [animcurvetypes.cpp:18]

OLD - Anim - Jun 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 ( ...

[CrashReport] UE4Editor_AlembicLibrary!AbcImporterUtilities::GenerateSmoothingGroupsIndices()

UE - Gameplay - Aug 5, 2016

This JIRA is being entered as a result of it being one of the top crashes occurring in 4.13 Preview 1. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 833] ...

[CrashReport] UE4Editor_LeapMotion!FPrivateLeapImage::Texture32FromLeapImage()

UE - Platform - XR - May 19, 2016

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 2707 { 2708 FScopeCycleCounterUObject ComponentScope(Target); 2709 FScopeC ...

[CrashReport] UE4Editor_Renderer!FBatchingSPDI::DrawMesh() [primitivesceneinfo.cpp:47]

UE - Graphics Features - Jan 3, 2017

Error message: Assertion failed: Mesh.VertexFactory->IsInitialized() [Link Removed] [Line: 45] Source Context: 32 // Keep a reference to the hit proxy from the FPrimitiveSceneInfo, to ensu ...