Reimporting a skeletal mesh by dragging FBX to content browser crashes editor

Tools - Nov 12, 2015

Reimporting a skeletal mesh by dragging FBX to content browser crashes the editor. I suspect something is wrong with the FBX. The user reported that the data is from Blender. FBX file attached for ...

Users are unable to create projects when the default project location is a networked drive

UE - Editor - Workflow Systems - Oct 23, 2024

There have been multiple reports of this issue, particularly from schools, over the last 10 years:https://forums.unrealengine.com/t/invaild-folder-path-with-network-user-drives/283475https://forums. ...

PhysX Crash when spawning Instanced Static Mesh actors at Runtime

UE - Simulation - Physics - Destruction - Oct 13, 2015

Bug generated from crash reporter. This crash has been found in 4.7.6 and still occurs in 4.8.3 and 4.9.2 to users. One user in particular still, and he experiences it often. I have not been able ...

Video material previews incorrectly on Mac

TM - Rendering - Apr 3, 2025

Received multiple reports of users on Mac computers experiencing issues previewing video materials in Twinmotion 2025.1. When adding video materials to the scene, the scale seems to be incorrect an ...

Deleting a Struct Attached to a Variable in a Blueprint Prevents it from Compiling

UE - Gameplay - Blueprint - Oct 20, 2015

Adding a variable of the type of a struct to a blueprint, deleting that struct, and then recompiling the blueprint fails. The variable is deleted, but the blueprint will continue to be unable to com ...

UMG Images Not Inheriting Texture's Filter Setting

UE - Editor - UI Systems - Dec 24, 2015

When you import a texture that is low resolution (such as pixel art) if you attempt to use it in a UMG image, the filter that you have applied to that texture is not inherited. This causes the image ...

Matinee movie recording is broken in 4.10

Tools - Dec 18, 2015

When trying to record a movie from a matinee in 4.10, it can fail for a number of reasons: 1. The folder does not exist 2. The cinematic view modes do not take effect 3. Trying to record a streamin ...

[MetaSounds] - Changing an Input to Modulation Parameter crashes editor due to module load order

UE - Audio - MetaSounds - May 27, 2022

Setting an Input type on Modulation Parameter crashes the editor with:Assertion failed: Pair != nullptr [File:E:\SMoyls_UE5_Release-5.0\Engine\Source\Runtime\Core\Public\Containers\Map.h] [Line: 643 ...

[CrashReport][Assert] UnrealEditor-D3D12RHI!FD3D12ResourceLocation::ReleaseResource() [Engine/Source/Runtime/D3D12RHI/Private/D3D12Resources.cpp:1392]

UE - Rendering Architecture - RHI - Oct 22, 2024

Users affected: 73 Total occurrences: 156 Last occurrence: October 22nd 2024, 9:59:58 am First occurrence: October 2nd 2024, 4:53:30 pm Latest version: ++UE5+Release-5.5-CL-36679577 Platform: Win64 ...

Cannot Add Collision to an EQS Testing Pawn

UE - AI - Jan 6, 2016

Attempting to add collision to an EQSTestingPawn class is not possible, as the inherited capsule component seems to override any new collision. Simulating with the inherited capsule will cause the P ...