Editor crashes if a sublevel with a landscape is duplicated then added to the persistent level as a sublevel.

UE - LD & Modeling - Terrain - Landscape - Aug 18, 2016

If a sublevel is duplicated and contains a landscape, the editor will crash when the duplicate level is added to the persistent level as a sublevel. Frequency 4/4 Regression (yes) issue (does not ...

Adding a code class to a blueprint project causes the editor to crash

UE - Foundation - Core - Oct 5, 2017

Adding a code class to a blueprint project causes the editor to crash after attempting to hot reload. This only occurs for a fully bluprint project, code projects or BP projects that have already h ...

Crash assigning static mesh to LightWeightInstanceStaticMeshManager

UE - Gameplay - May 21, 2021

Crash occurs when the user assigns a static to the Instanced Static Mesh Component in a LightWeightInstanceStaticMeshManager. I couldn't reproduce this with an actor blueprint with an ISMC or HISMC ...

[CrashReport] Linux crash - FVulkanSwapChain::AcquireImageIndex

UE - Platform - Linux - Sep 7, 2017

This is an uncommon Linux crash that has occurred for a few users in 4.17 and 4.18 (not yet released) ...

Creating blueprint based on landscape crashes editor

UE - LD & Modeling - Terrain - Landscape - Aug 24, 2016

If a blueprint is created from a landscape object, the editor will crash. Frequency: 5/5 ...

Engine crashed during Animation Blueprint compilation with Blend Multi node

OLD - Anim - Nov 30, 2018

Engine crashes if Blend Multi node output is connected to final transition node, and no input is connected to Blend Multi node input parameters. [Image Removed] ...

Exception Crash When Moving Files

Tools - Apr 8, 2020

Moving files to a sub-folder crashes the editor. ...

Moving folder of assets crashes editor

UE - Simulation - Physics - Dec 23, 2015

Moving the contents folder for the Dynamic Clocks marketplace asset crashes the editor immediately. Frequency: 5/5 CrashReporter: [Link Removed] ...

Ensure occurs when force deleting a BP asset that is still referenced in memory

UE - Gameplay - Blueprint - Aug 2, 2016

Upon force deletion of a BP asset still referenced in memory an ensure is hit. ...

Crash force deleting blueprint being used as a Child Actor Component in an actor in the level

UE - Gameplay - Components - Mar 23, 2018

REGRESSION: Yes, the crash does not occur in 4.18. A crash occurs when the user force deletes an actor blueprint that is being used as a child actor component in another blueprint that's in the lev ...