Failed Import Error Message Appears on Components in Child Blueprints

UE - Gameplay - Components - Dec 2, 2015

Creating a C++ class based on actor and adding components to it will build successfully and work as expected. However, creating two child blueprints of a parent that is based on that C++ class and p ...

[CrashReport] Crash related to launching Tutorials - UE4Editor_Core!FText::FText()

Tools - Jul 5, 2017

This is a common crash occurring in the 4.16.2 release. Records indicate this has also occurred in 4.16.0 and 4.16.1, but with less apparent frequency. User DescriptionsJust downloaded, clicking ...

FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed

UE - Anim - Runtime - Nov 1, 2023

The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...

Starter Content Blueprint_Effect_Explosion Root Componet In Invalid State

UE - Content - Feature Pack - Sep 22, 2023

The Blueprint_Effect_Explosion Actor's Root Component in the Starter Content is in some form of invalid state. It reports to have a scale of (1.0, 1.0, 1.0) in the details panel but further behaviou ...

Landscape Tool crashes on Layer Import

UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020

The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...

[CrashReport] UE4Editor_Engine!UAnimMontage::IsValidAdditive() [animmontage.cpp:702]

OLD - Anim - May 19, 2016

Error message: Stack overflow - code c00000fd (first/second chance not available) Source Context: 687 if (SyncGroup != NAME_None) 688 { 689 CollectMarkers(); 690 ...

In Persona, Viewport shortcuts remain default after changing Key Binding preferences

OLD - Anim - Dec 22, 2015

After adjusting viewport shortcuts in Editor Preferences, the Persona viewport seems only partially responsive to the changes. It's as if the viewport shortcuts are hardcoded for Persona. Example ...

Crash when pressing Ctrl-Z after creating a blueprint function

UE - Gameplay - Blueprint - Feb 20, 2017

Crash when pressing Ctrl-Z after creating a blueprint function *This is a regression: Working in 4.14.3-3249277 Not working in 4.15.0-3299760* Crash Reporter: Error message: Access violation ...

Changing Asset Manager settings breaks game feature scan directories

UE - Gameplay - Sep 29, 2022

The asset manager is used to scan directories on disk for different Primary Assets that can then be loaded on demand. Game feature plugins support the ability to add additional scan directories when ...

Form Extended Structures will only destroy one mesh but not any attached

UE - Simulation - Physics - Destruction - Nov 28, 2014

DESCRIPTION: While using form extended structures enabled for a Destruction mesh one of the meshes will be able to be damaged while any others attached will not fracture or damage at all. For exam ...