Unreal Engine Issues
Unreal Engine Issues
Event Tick is not running once packaged
UE - Gameplay - Components - Jul 20, 2015Event Tick works when it's running on Windows however once it's packaged or even launched onto all platforms, the event tick does not work as anticipated. This happens on all platforms. *Project ca ...
UHT doesn't support trailing const in some declarations
UE - Foundation - Cpp Tools - UnrealHeaderTool - Sep 17, 2018UnrealHeaderTool cannot parse certain declarations with a trailing `const` instead of a leading `const`. ...
[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]
UE - Gameplay - Blueprint - Jan 17, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: GEditor->GetSele ...
[CrashReport] UE4Editor_Landscape!FLandscapeEditDataInterface::SetAlphaData() [landscapeeditinterface.cpp:2617]
UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
Niagara Scalability Crash When Processing Significance
UE - Niagara - Jun 4, 2025Method FNiagaraScalabilityManager::ProcessSignificance() iterates on indices from Context.SignificanceIndices and uses them to access the State and ManagedComponents arrays. It can then decide to cr ...
[CrashReport] Mac/Metal crash - Assertion failed: (PixelShader->Bindings.InOutMask
UE - Graphics Features - Nov 10, 2017This is a low frequency but trending crash coming out of 4.18. User DescriptionsAttempting to open a copied/converted from 4.16.3 project on 4.18 preview 4. Problem arose after preview 3. Was able ...
FFunctionalTestingModule::GetMapTests does not support World partition
UE - World Creation - Worldbuilding Tools - World Partition - Mar 15, 2022Double-clicking metasound graph input widget resets value to 1, but displayed value does not change
UE - Audio - MetaSounds - Nov 16, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
Zipping up projects with / creates folders to nest the zip in
Tools - Oct 15, 2015Changing your project name from 'MyProject.zip' to 'MyProject 1/1/1/1/1.zip' creates a folder which nests another folder that eventually leads to the zip. ...
Using a Wait Delay node on Linux causes editor to immediately close without crashing
UE - Platform - Linux - Sep 14, 2015If a call is made to the blueprint node Wait Delay the editor will immediately close during PIE when the call is made without the crash reporter appearing. The "Wait Delay" node only exists on Linu ...