Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Mac crash - UE4Editor-Slate.dylib!PrepassWindowAndChildren(TSharedRef<SWindow, (ESPMode)0>)
UE - Platform - Apple - Oct 27, 2017This Mac crash originally occurred in 4.15 around March 2017, then decreased in frequency during 4.16 and 4.17. It may be starting to trend again in 4.18. There is one record of this occurring in 4 ...
[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()
UE - Platform - Apple - Jul 27, 2017This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...
CRITICAL: Regression: CRASH: SHOOTERGAME: Client crashes when using ServerTravel command
UE - Networking - Sep 17, 2014Update (5/4/15): New repro steps using Main (//depot/UE4/Promotable-CL-2535351): 1. Create a new Blueprint project 2. Create 3 new Levels: MainMenu, Lobby, and Level 3. Create 3 new GameModes: Main ...
Distributed HLOD builds always fail for projects not under the Engine Root
UE - World Creation - Worldbuilding Tools - HLOD - Dec 4, 2024In BuildProject.txt, to make relative path to the project outside the engine root, all paths contains “..” after action command directory. D:/dev/UnrealEngine-5.5.0//HLODTemp/f09bf0f5/HLODBuilder0 ...
Deadlock in UPhysicalAnimationComponent::UpdatePhysicsEngineImp
UE - Simulation - Physics - Sep 13, 2023Deadlock in Chaos during PIE; the main thread is in USkeletalMeshComponent::HandleExistingParallelEvaluationTask waiting for a task to complete, and a worker thread is running that task and is in US ...
tvOS/IOS: Fails to Build with dSYM Options Enabled Due to DsymExporter Erroring Out
UE - Platform - Mobile - Jan 22, 2019When attempting to package for tvOS or iOS with the generate dSYM options enabled, numerous instances of the following errors occur:[2019.01.21-20.53.35:739][138]UATHelper: Packaging (tvOS): [2019 ...
Assets containing TSet or TMaps fail to Nativize
UE - Gameplay - Blueprint Runtime - Dec 12, 2016Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...
Anim Notify States are ended when CustomTimeDilation is set to zero
UE - Anim - Runtime - Oct 12, 2022UDN link: https://udn.unrealengine.com/s/question/0D54z00008BEDfJCAX/set-actor-time-dilation-to-0-during-a-animation-notify-state-cancel-it?fromCase=1 Notify gathering functions (e.g. UAnimSequence ...
Arrays of user-defined structs are not initialized properly in a nativized Blueprint class.
UE - Gameplay - Blueprint - Feb 28, 2018New elements are not being initialized properly when setting up the default value for arrays of user-defined structures in nativized Blueprint C++ constructor code. ...
VS2015 Update 3 prevents the editor from compiling code
UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 28, 2016Updating Visual Studio 2015 to Update 3 prevents code projects from compiling / creating new code projects ...