Crash While Compiling Blueprint in FBlueprintEditorUtils::RefreshExternalBlueprintDependencyNodes()

UE - Gameplay - Blueprint - Jun 7, 2016

Having an actor blueprint (A) that contains an array variable of references to another actor (B) that is connected to a Length node and a Vector array that is connected to a ForEachLoop causes bluep ...

MAC: UE4 Editor crashes in gldReadTextureData on Nvidia 330M

UE - Platform - Apple - Dec 15, 2014

A user is reporting semi-regular crashes on his MBP 6,2, with Nvidia 330M GPU. This is a GL 3.3 GPU which we don't routinely test against, he may have the 256 or 512MB model, but this is unclear. T ...

Trying to load a missing map causes a crash in a packaged game

UE - Gameplay - Blueprint - Mar 30, 2017

This jira was originally filed for "Calling a remote event on a streaming level appears to cause a crash in a packaged game" but the actual crash reproed has to do with trying to load into a nonexis ...

Crash after adding an AI Perception component to a parent and child character

UE - Gameplay - Sep 14, 2017

Crash after adding an AI Perception component to a parent and child character. First they both must have had AI Perception components > Compiled and saved > Then both AI Perception components delete ...

Incorrect usage of FText in EnsureMsgf does not trigger a compilation error, leads to crash in shipping

UE - Foundation - Core - Mar 1, 2018

Using incorrect formatting in FText does not cause compilation errors in EnsureMsgf as it does in other functions such as UE_LOG. This causes crashes to sneak through such as a crash on ensure when ...

Crash when closing the editor during Play if a web browser widget is in use

UE - Editor - UI Systems - Nov 17, 2016

Crash when closing the editor during Play if a web browser widget is in use. A web browser was added to the screen during Play in Editor. After this the editor is close via the [X] in the upper righ ...

UE4 Scene Crashing upon opening

UE - Foundation - Core - Sep 15, 2020

The user first launched his project and received an error on his HDD and UE4 crash with the default scene. He was able to open the project successfully a second time and opened the "Library Scene" ( ...

Crash When Toggling Visibility of Level with Planar Reflection

UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018

This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...

Crash Occurs When Importing a .ABC File as Skeletal Mesh Into Project That Already Contains Asset's Materials

OLD - Anim - Jun 8, 2018

Editor crashes when importing an .abc file as a skeletal mesh and the assets materials already exist inside the project. -Materials need exist inside project before import -If the .abc file is imp ...

Crash on Importing a specific Large Static Mesh FBX

Tools - Dec 22, 2015

A User's specific Static Mesh FBX made from OSM2World and converted from OBJ to FBX via Blender is causing a crash when imported with the following settings: [Image Removed] When imported with the ...