Crash at compile time when using a VariableSet node with a local variable created by pasting a private property

UE - Framework - Blueprint - Oct 7, 2025

When a property is created in this way, a local variable with a Private flag is generated. Since such a variable is generally not desirable, it would be better to remove the Private flag upon pastin ...

Opening a DataTable that is set to a Struct that is using a Key variable will crash the editor

Tools - Nov 3, 2015

Opening a DataTable that is set to a Struct that is using a Key variable will crash the editor User Description: I'm getting this crash when using Key variable in DataTable. I was able to repro i ...

Crash when renaming assets from the Persona asset browser

Tools - Mar 3, 2015

Crash when renaming assets from the Persona asset browser [Link Removed] [Link Removed] LOG IS ATTACHED ...

Possession acts differently depending on whether or not "Run as dedicated server" is checked if newly possessed pawn is spawned just before possession

UE - Gameplay - Mar 31, 2015

If a player on a dedicated server attempts to possess a feshly spawned pawn, the blueprint must have an unpossess node just before the possess node to be able to possess the pawn. This is not the ca ...

SetActorLabel resets components when run outside main editor process

Tools - Mar 30, 2015

Calling SetActorLabel causes an actor's components to return to default states when called from a client accessing a listen server outside of main editor process. Note: User posted code linked to ...

Turning off Apply Wind after switching tabs crashes editor

OLD - Anim - May 27, 2015

In the Skeletal Mesh editor, turning Show>Clothing>Apply Wind while switching tabs causes a crash. For example, turn it on while in the Mesh tab. Switch to Animation Tab and then back to Mesh. Turn ...

Opening a level in PIE after adding a variable to a struct referenced in the GameInstance crashes this project

UE - Gameplay - Blueprint - Sep 3, 2015

This user's project crashes on opening a level in PIE after adding a variable to a struct referenced in the GameInstance. Note that I had to do this twice to get the crash to occur. The project can ...

Project Crashes on Open when Implementing An Interface and Its Duplicate

UE - Gameplay - Blueprint - Apr 25, 2016

The linked project crashes on open after attempting to implement an interface and a duplicate of that same interface with different function names. This has not been reproduced in a clean project, h ...

Crash in Forward Renderer DX11 RHI Impl when using VR PIE

UE - Platform - XR - Dec 4, 2016

// enforce color target is <= depth and MSAA settings match if(RTTDesc.Width > DTTDesc.Width || RTTDesc.Height > DTTDesc.Height || RTTDesc.SampleDesc.Count != DTTDesc.SampleDesc.Count || ...

WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node

UE - Rendering Architecture - Materials - Jan 31, 2024

This comes from this UDN : [Link Removed] It occurs with this setup :  [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...