Unreal Engine Issues
Unreal Engine Issues
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. ...
Editor crashes when entering something in the console
Tools - Apr 10, 2018Setting your language to German and using a German keyboard will crash the editor when typing into the console. This is the keyboard that was used for testing: [Link Removed] ...
Crash when opening TM-ShaderModels with -onethread
UE - Graphics Features - Jan 20, 2017An assert fails when opening the TM-ShaderModels map in QAGame with the -onethread argument. The crash does not occur on any other maps tested. Two other ensure occur before the assert, those issues ...
User's project crashes when right clicking a blueprint
UE - Gameplay - Blueprint - Jan 6, 2016If the user right clicks on the AbilityBase blueprint the editor will crash. ...
Crash when building lighting with a Basic shape in the level
UE - Graphics Features - Lumen - Oct 25, 2019Crash occurs when building the lighting with any Basic shape in the level. This crash occurs with Niagara plugin both enabled and disabled. This issue does not occur in 4.23 Issue only occurs on M ...