Deleting the code files for a custom component from a project will result in an Engine crash when trying to open any Blueprint using that component.

UE - Gameplay - Blueprint - Feb 20, 2015

Adding a custom component to a Blueprint and then deleting the code class defining that custom component from the project will crash the Editor any time you try to open a Blueprint containing that c ...

Crash when adding a streaming level to the world through Python

UE - World Creation - Worldbuilding Tools - World Composition - Aug 3, 2021

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...

Crash Occurs When Renaming Folder in Landscape Mountains Project

Tools - Jun 23, 2016

Changing the name of a newly-created folder that contains a few copies of the same map causes a crash in the Landscape Mountains project. This crash did not occur in a clean First Person project wh ...

Crash with Particle system using Beam data

UE - Graphics Features - Jan 26, 2016

Attached to this ticket is a project with an asset that uses a beam type that is causing a crash when trying to open the asset in 4.11 and 4.12 (MAIN). When trying to recreate the asset there is no ...

FIXIF: Using the Merge Blueprints feature crashes the editor

UE - Gameplay - Blueprint - Feb 18, 2015

Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...

Crash Occurs When Mesh is Reimported Multiple Times in the Mesh Editor

UE - World Creation - Worldbuilding Tools - Foliage - Jan 24, 2018

Engine crashes when asset has been reimported multiple times through the mesh editor -Editor crashes in Main when reimporting -Editor crashes in 4.17 when changing the Import Transforms ...

Hot reload causes AnimBlueprint to lose functionality and crash

OLD - Anim - Mar 31, 2015

Casting to a character class inside of AnimBlueprint after a hot reload caused editor to crash Crash Reporter: [Link Removed] Additionally, Casts fail, breaking AnimBlueprint after a hot reload ...

UE5 Main - Editor crashes when creating a Data Table

UE - Editor - Workflow Systems - Feb 14, 2022

Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...

Crash when opening a data table based on a struct named actor

Tools - Jun 29, 2016

If the user creates a structure, names it "Actor", then creates a data table based on the struct then the data table will cause a crash on open(opening the data table). ...

Editor crashes if a data table containing an attenuation settings struct

Tools - Apr 19, 2016

Editor crashes if a data table containing an attenuation struct is opened in the data table editor. Frequency: 4/4 Crashreporter: [Link Removed] Regression? (No), issue (does) occur on 4.10.4 ...