Unreal Engine Issues
Unreal Engine Issues
Failure to attach component in a non-nativized child Blueprint class to an inherited component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - May 30, 2018Attachment will currently fail at runtime during load and/or construction if a component from a non-nativized child Blueprint is attached to an inherited component from a parent class that is nativi ...
Mac Editor crashes when deploying
UE - Audio - Apr 17, 2017This issue occurs NO MATTER your deployment type. (e.g. PIE, Launch, Package...) This is BLOCKING all deployment from the Mac platform. This is a regression and does not occur on Windows. ...
Blueprint with Niagara System and Skeletal Mesh Components Automatically Updates Niagara System Skeletal Mesh
UE - Niagara - Apr 4, 2019When adding a niagara system that reproduces a skeletal mesh and a skeletal mesh as components to a blueprint, the niagara system immediately updates its skeletal mesh to the most recently updated s ...
Blueprint Struct Issues - Data table wiped data
UE - Gameplay - Blueprint Compiler - Aug 19, 2024The user has come across various issues with using nested blueprint structs within a data table. The first issue relates to changing a variable in a child struct and setting it back then saving, cau ...
Crash when calling an event with an enum reference parameter with literal
UE - Platform - Linux - May 1, 2018The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...
Crash upon opening a level that is parented to a Custom Level Script
UE - Gameplay - Blueprint - Jul 30, 2015The attached project will crash whenever attempting to load the default map which is parented to a custom level script made by the user. Note: This issue doesn't occur for all maps in the project. ...
Copy, Paste and Hover a Material Layer Blend Node causes Crash
Tools - Jun 25, 2015In the Material Editor, if all Live Previews are turned off, copying and pasting a Material Layer Blend Node will crash when the tool tip is being processed. Also Reproduced in Main Promotable-CL-2 ...
New VR-Basic level triggers Metal validation layer assertion
UE - Platform - Apple - Mar 16, 2020This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...
Importing a New Substance Preset will crash the engine
UE - Foundation - Core - May 13, 2015With the Substance plugin installed and when you try to import new preset data into the Substance Graph Instance, the engine will crash ...
SingleLayerWater Material crashes when sampling SceneTexture:CustomStencil.
UE - Rendering Architecture - Shaders - Sep 19, 2024There is a texture mismatch between the expected texture samplers and actual texture samplers for SingleLayerWater materials that use the Material Function StencilMaskCompare. Also tested on UE5.5, ...