Unreal Engine Issues
Unreal Engine Issues
Mac - Crash when opening editor on macOS 10.12
UE - Platform - Apple - Aug 8, 2016Editor crashes during initialization, but only on macOS 10.12, not 10.11.6. Crash is due to a shader not compiling... Update: Crash was not occurring on Nvidia or Intel. This was strictly an AMD i ...
Crash Opening Editor with Vulkan - Fatal Error - RenderingThread.cpp
UE - Rendering Architecture - RHI - Mar 15, 2019Editor crashes when opening to project browser on Linux. Fatal error: [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 819] Rendering thread exceptio ...
Editor Crashes When Cloth Asset Is Applied To Material With Support Compute Skincache Enabled
UE - Simulation - Physics - Character - Feb 24, 2017After enabling Support Compute Skincache if you attempt to apply a cloth asset to a material in the skeletal mesh editor the engine will crash. This may seem similar to [Link Removed] but I confir ...
Engine Crashes When Building Lighting if Precomputed Visibility Aggressiveness is set to VIS Max
UE - Graphics Features - Nov 30, 2017The engine crashes when building lighting if World Settings >> Precomputed Visibility >> Visibility Aggressiveness is set to "VIS Max." A Fatal Error message sometimes appears (screen shot attached) ...
Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor
UE - Gameplay - Blueprint - Sep 3, 2015Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor. Crash Report: [Link Removed] This is a regression: did NOT occur in 4.8.3. Reproduced in 4. ...
Crash when loading TM-MotionControllers in a packaged build
Docs - Samples - Oct 26, 2016Packaged QA Game crashes when opening "TM-MotionController" This issue did not occur in 4.13 This is also affecting KiteDemo. Cinematic will crash when Editor Content is not included in the packag ...
Crash Importing Skeletal Mesh LODs with a lot of morph targets
OLD - Anim - May 18, 2016Crash Importing Skeletal Mesh LODs with a lot of morph targets Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 785] Array index out of bounds: 2 from an ar ...
Particle Cutout Crashes On Mobile Devices That Don't Support Hardware Instancing (Mali-400 GPU)
Particle cutout seems to crash on lower end mobile devices. We believe this is because there is an issue in the particle's SubUV feature. This happens only on devices that don't support hardware ins ...
Crash on suspend
UE - Platform - Mobile - Oct 13, 2015User has reported a crash on suspend related to the display link when the game is set to be frame rate locked. ...
.wav files with max concurrency count data outside proper range will crash editor when played
UE - Audio - Apr 12, 2016Editor crashes if a set of sound files provided by a user is played. This occurs in any project that the asset is migrated to. Frequency: 5/5 NOTE If the asset is exported outside of the editor ...