Crash in packaged project when accessing a TMap that uses an enum as the key

UE - Foundation - Core - Mar 31, 2017

A packaged project will crash if a TMap that uses an enum as the key is accessed. This was also tested by launching the same project onto an Android device, which showed the same results. ...

The Editor crashes when adding an element to a TMap that uses an unhashable struct as a key

UE - Gameplay - Blueprint - Feb 28, 2017

The Editor crashes if an unhashable struct is used as a key in a TMap and a new element is added to the TMap in a Blueprint. ...

Crash when adding a Material Layer with a MaterialFunctionCall node to a Material Instance

UE - Graphics Features - Mar 30, 2021

Adding a Material Layer to a Material Instance that has a Material Function Call node connected to the Set Material Attributes node causes the editor to crash. I tested a Material Layer without the ...

Crash When Assigning a Static Mesh to the "Sample Static Mesh" Module

UE - Niagara - Jun 28, 2018

When assigning a static mesh to the "Sample Static Mesh" module, the engine will crash as soon as you select a mesh and click "Fix Now". If the mesh already has CPU access enabled it will crash as s ...

Crash when duplicating component with Instanced property initialized with CreateDefaultSubobject

UE - Framework - Feb 2, 2024

An editor crash can be observed when copy-pasting an actor with an actor component with an instanced object property when set to a non-default value. Detailed steps to reproduce are provided below. ...

Adding a hole to landscape and previewing in OpenGL ES2(Mobile) Crashes UE4

UE - Platform - Mobile - Sep 4, 2015

Making a hole in a landscape and viewing in mobile preview using OpenGL ES2(Mobile) and stopping preview crashes editor. ...

Crash in Nativized Packaged Game When Overriding Server Event and Calling Parent

UE - Gameplay - Blueprint Runtime - Aug 15, 2017

A crash is occurring in a nativized packaged game when overriding a server event and calling the parent's implementation in a derived class. The crash doesn't seem to produce a detailed callstack. ...

Editor Crashes when clicking on Transform(Modify) Bone node in Content Examples

OLD - Anim - Mar 4, 2015

Crash Report: [Link Removed] Error Message: Assertion failed: ResultString.Num() == 3 [Link Removed] [Line: 298 Description: In the Content Examples Project, in the Blueprint, "CurveAnimBlueprint_ ...

Compsure crashes when reordering transform passes

UE - Graphics Features - Aug 10, 2020

Re-ording the Transformpass array results in a crash of the engine. Link to repro video: [Link Removed] ...

Subway Sequencer crashes when opening shot0010_001

UE - Anim - Sequencer - Dec 13, 2019

Opening specific files inside of the "Sequencer" doc sample project results in engine crash. ...