Unreal Engine Issues
Unreal Engine Issues
Crash when hiding DataTable window and saving in DataTable Editor
Tools - Nov 20, 2017When adding rows to a DataTable that has its DataTable tab hidden or exited out, the Editor will crash when adding a row to the DataTable. This crash happens in 4.17, 4.18, and 4.19. ...
Investigate intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux
UE - Platform - Linux - Nov 23, 2015Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes Community Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimiza ...
Editor Crashes When Count on Mid Node is Less Than 0
UE - Gameplay - Dec 29, 2016The editor crashes when the Count parameter passed into the Mid function is < 0. There is an assertion check(Count >= 0); in FString Mid in UnrealString.h, but an error message would be expected ...
Crash Occurs When Renaming Folder in Landscape Mountains Project
Tools - Jun 23, 2016Changing 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 in Skeletal Editor due to null ActorFactory reference
OLD - Anim - Feb 1, 2017When a material is dragged/dropped into a skeletal editor's bone hierarchy, the editor will crash due to null ActorFactory Regression: Yes - Crash does not occur in 4.13.2 binary (CL 3172292) ...
FIXIF: Using the Merge Blueprints feature crashes the editor
UE - Gameplay - Blueprint - Feb 18, 2015Using 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 on deleting an actor after undoing a prior delete
If an actor contains a custom SceneComponent that creates another component that is tagged with Transient and DuplicateTransient, deleting/un-deleting/deleting the actor again will cause the editor ...
Packaging with Code Editor plugin crashes and then fails to build
UE - Foundation - Cpp Tools - Plugin System - Jun 18, 2015Packaging with the [experimental] Code Editor plugin enabled causes a crash during the packaging process in 4.8 source. The crash does not kill the editor, project can recover by choosing for Window ...
Linux crash on Import
UE - Platform - Linux - Jun 2, 2016Attempting to import content into a project causes the editor to crash on Linux ...
Crash when spawning actor with no viewport initialized
UE - Editor - Workflow Systems - Nov 22, 2023If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...