Unreal Engine Issues
Unreal Engine Issues
BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.
UE - Gameplay - Blueprint - Apr 20, 2017Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...
Niagara and Groom causes exception crash on Launch when using
UE - Simulation - Physics - Mar 2, 2020Trying a Launch after every step shows that the problem occurs as soon as the GroomAssetSystem is added to Niagara. If the GroomAssetSystem is removed, the game launches fine (but the hair doesn't m ...
Changing the channel name inside of the channel mask parameter node results in crash
UE - Rendering Architecture - Materials - Mar 4, 2020Changing the name of a channel inside of the channel mask parameter node results in a crash. ...
Point Cloud support for AR plugin crash
UE - Platform - XR - Nov 21, 2019Enabling Point Cloud support for AR plugin causes engine crash. Also crashes with LIDAR plugin enabled. Confirmed in MAIN 4.25 @ CL 10333042 ...
Launch crashes on Android if device has Wifi disconnected
UE - Platform - Mobile - Mar 10, 2016Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...
UnrealMatch3 ensures when launching on iOS
Docs - Samples - Aug 21, 2016While running regression pass, found that UnrealMatch3 hits an ensure when user selects to Launch on to iOS device. LogOutputDevice:Error: The ini file '../../../UnrealMatch3/Saved/Config/IOS/Device ...
World Memory Leak crash creating new level blueprint after editing sub level blueprint
UE - Gameplay - Jan 27, 2020Crash occurs when the user adds a sublevel to the current level, edits the sublevel's level blueprint, and then attempts to make a new level. The state which triggers the crash seems to be when the ...
FLiveCodingModule::StartLiveCoding() unsafe access of FModuleManager::Get().OnModulesChanged()
UE - Foundation - Cpp Tools - Live Coding - Dec 19, 2023A user has reported a failing ensure in FMRSWRecursiveAccessDetector::AcquireWriteAccess(), a race condition that has a small chance of happening when launching the editor. FLiveCodingModule::Start ...
USD Stage - Assert !EdgeArray[EdgeID].ConnectedPolygons.Contains(PolygonID)
UE - Editor - Content Pipeline - Import and Export - Nov 19, 2019One of Pixars example .usd files is crashing the editor when importing with 'USD Stage' (KitchenSet imports with no errors) It is possible to import the file via content browser without crashing. ( ...
Crash when launching Google VR project
UE - Platform - XR - Dec 12, 2016Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...