Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Mac crash - UE4Editor-Slate.dylib!SMenuAnchor::SetIsOpen()
UE - Platform - Apple - Sep 14, 2017This is a common and longstanding Mac crash that has occurred since at least 4.11 and affected more than 40 users. Users have not provided any descriptions of their actions when the crash occurred ...
"Assertion Failed" crash while Force Deleting the FirstPerson folder within FirstPersonTemplate project
UE - Gameplay - Oct 28, 2016The Editor crashes while Force Deleting the FirstPerson folder within a FirstPersonTemplate project. This behavior is consistent between Blueprint / Code versions of FirstPersonTemplate projects. ...
Importing .glb file results in crash
UE - Editor - Content Pipeline - Import and Export - Nov 13, 2019When importing a .glb file from Blender, the editor crashes. The user has been able to import other .glb files, but ran into an issue with the one provided being unable to be imported. ...
Crash in Format Text node when replacing existing text with a string table reference
Tools - Jan 25, 2021The Format Text node may cause a crash when replacing existing hard-coded inputs with string table references. This looks to be dependent on whether or not the string table has been successfully use ...
Crash launching ARSampe onto iOS
UE - Platform - XR - Jul 27, 2017ARSample from WWDC is crashing when attempting to launch onto an iOS device Originally hit this on an iOS 11 iPad, but it also reproduced on an iOS 10 iPhone 6+ ...
Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate
UE - Graphics Features - Ray Tracing - Jan 31, 2025A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements File: Engine\Source\Runtime\Renderer\ ...
If a Blueprint made from a class using PostLoad is saved immediately before and after PIE, a crash can occur
UE - Gameplay - Blueprint - Dec 14, 2015Using PostLoad in a class that has a Blueprint derived from it can result in a crash if the Blueprint is saved immediately before and after PIE. CrashReporter Link: [Link Removed] ...
SunTemple crash on load on some iOS devices
UE - Platform - Mobile - Jun 8, 2018This does not occur when attempting to repro using a template code project; testing on the same device. This crash occurred on an iPhone 6, v11.4 (A8) It did not occur on an iPhone X, v11.4 (A11 B ...
Crash(Assert) CurrentGWorld != PlayWorld || bIsSimulatingInEditor
UE - Gameplay - Feb 25, 2019Crash when attempting to return to Main Menu when playing Shootergame in a New Editor Window. Unable to upgrade+test Shootergame in 4.22+ due to deprecation of Possess() and other compile errors. ...
Crash debugging blueprints in a networked game session
Tools - Oct 14, 2016Crash occurs when debugging blueprints when in a networked editor session. ...