Unreal Engine Issues
Unreal Engine Issues
Crash when using Vertex painter with material including cubemap texture sampler
OLD - Anim - Jul 3, 2017Engine crashes when static mesh have material with cube sampler in vertex painter mode. Simply DaylightAmbientCubemap_Mat have texture cube as texture sampler. This is not reproduced in 4.15 versi ...
HLOD CalculateOverlap crashes when spheres barely overlap
UE - World Creation - Worldbuilding Tools - HLOD - Sep 16, 2019The engine will crash when cluster bounds barely overlap. ...
Crash inside GetActualComponentTemplate() during Blueprint nativization.
UE - Gameplay - Blueprint - Nov 15, 2017Report of a crash happening during Blueprint nativization with a specific project, appears to be related to an inherited component template. Unable to repro in a new project. Callstack is noted. ...
Editor crashes in FAsyncLoadingThread2::ProcessLoadedPackagesFromGame when Level Blueprint references external actor
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 26, 2026Adding a reference to an external actor in the level blueprint causes the package for the actor to be put in the import table of the level. In some cases, the actor package can end up calling postlo ...
profilegpu should not crash when run on mobile platforms
UE - Platform - Mobile - Apr 15, 2015We don't have gpu timings on mobile/tiled gpus so we should just print a message that says that is not supported; right now it'll crash trying to run a shader. ...
Users are crashing on launch. D3D11 errors
UE - Graphics Features - Jun 23, 2015Users are experiencing this crash on launch. They all appear to have identical machines for the most part. They've tried different GPU's though. See the additional info URL [Link Removed] [Link ...
Crash when exiting editor before EditorUtilityTask completes
UE - AI Workflows - UI Systems - May 29, 2024If exiting the editor before the EditorUtilityTask completes, it crashes. It will not crash if canceling the UtilityTask and then exit the editor. The following implementation does not allow destruc ...
Fill Data Table from CSV File crashes editor if the data table is open
Tools - May 6, 2019Attempting to use the Fill Data Table from CSV File node will result in a crash if the CSV file is open when running. ...
Mobile VR - Foliage (HISM) crash
UE - Platform - XR - Jun 7, 2019HISMs cause mobile VR app to crash. Confirmed in 4.23 MAIN @ CL 6829265 ...
Crash loading sublevel that had name changed when it is unloaded.
Tools - Apr 2, 2019Updated name of sublevel leads to crash when it is about to be loaded. ...