[CrashReport] UE4Editor_SequenceRecorder!FAnimationRecorder::Record() [animationrecorder.cpp:616]

UE - Anim - Sequencer - Aug 22, 2017

According to CrashReporter there is both an Ensure and a Crash that occur with this callstack. The error message for the Ensure is Ensure condition failed: UIDList == AnimationCurves.UIDList [File:D ...

Crash on opening Control Rig asset that was created in UE5-EA

UE - Anim - Rigging - Control Rig - Nov 8, 2021

This issue was found from an external user on Twitter using UE5-Early Access - [Link Removed] The crash happens on asset load.  User says that they were following Gabriele's video - [Link Removed] ...

[CrashReport] Crash occurring in Phonon::FPhononReverb::ProcessMixedAudio

UE - Audio - Apr 27, 2017

This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information. From Log:/Game/VirtualRealityBP/Maps/UEDPIE_0_StartupMap.StartupMap (0.006787s) ...

[CrashReport] UE4Editor_Kismet!FFindInBlueprintSearchManager::OnCacheAllUncachedBlueprints() [findinblueprintmanager.cpp:2095]

UE - Gameplay - Blueprint - Nov 2, 2017

This is a trending crash coming out of 4.18; it may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2093 // Start the cac ...

[CrashReport] UE4Editor_Engine!FMaterial::GetShader() [materialshared.cpp:1790]

UE - Graphics Features - Jun 12, 2018

No user comments in crash group 1785 int BreakPoint = 0; 1786 1787 // Assert with detailed information if the shader wasn't found for rendering. 1788 // This is usua ...

[CrashReport] UE4Editor-Core.dylib!FTextHistory::Rebuild(TSharedRef<FString,()

UE - Platform - Apple - Aug 15, 2017

This is a trending Mac crash in 4.17.0 that has also occurred with some frequency since at least 4.14. I have not been able to identify any matching callstack occurring on Windows, although it does ...

Transform gizmo turning different colors when using the spline control points on Camera Rig Rail

UE - Graphics Features - Sep 27, 2016

Transform gizmo turning different colors when using the spline control points on Camera Rig Rail. This appears to happen more when farther away from 0,0,0. Also see some changes based on the distanc ...

Widget Component Variable can not be changed to Public with Instance Editable

UE - Editor - UI Systems - Mar 2, 2023

This is not explicitly a regression from 5.0.3. In 5.0.3 the component variable is set to public with instance editable by default and can not be changed. Tested in //UE5/Release-5.0 CL20979098 Any ...

UAnimNotify::Notify not called during USkeletalMeshComponent interaction with UPhysicsControlComponent when PhysicsBlendWeight is zero

UE - Anim - Synthesis - Physics Control - Mar 30, 2025

UAnimNotify::Notify not called during USkeletalMeshComponent interaction with UPhysicsControlComponent when PhysicsBlendWeight is zero. The licensee has provided his analysis of the code: If USkelet ...

[CrashReport] UE4Editor_CoreUObject!FDuplicateDataWriter::Serialize() [duplicateddatawriter.h:51]

UE - Graphics Features - Mar 27, 2018

Comments from users:Yeah lost all of my work. Tried to save again as a new name and crashedTried to save map as a new name. Lost a bunch of work.I saved as another level and it closedTried to save m ...