LogWindows: Error: appError called: Assertion failed: Actor->GetLevel()

AltairGamesLLC · April 30, 2024, 11:25pm

I get these errors during the cooking process using the ProjectLauncher.
qqqq

LogOutputDevice: Warning: 

Script Stack (0 frames) :

LogWindows: Error: appError called: Assertion failed: Actor->GetLevel() == this [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Level.cpp] [Line: 571] 


LogWindows: Windows GetLastError: The operation completed successfully. (0)
LogWindows: Error: begin: stack for UAT
LogWindows: Error: === Critical error: ===
LogWindows: Error: 
LogWindows: Error: Assertion failed: Actor->GetLevel() == this [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Level.cpp] [Line: 571] 
LogWindows: Error: 
LogWindows: Error: 
LogWindows: Error: 
LogWindows: Error: [Callstack] 0x00007ffc42995587 UnrealEditor-Engine.dll!`TActorDescContainerInstanceCollection<TObjectPtr<UActorDescContainerInstance> >::GetActorDescInstance'::`2'::<lambda_1>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Level.cpp:571]
LogWindows: Error: [Callstack] 0x00007ffc42a1c518 UnrealEditor-Engine.dll!ULevel::Serialize() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Level.cpp:564]
LogWindows: Error: [Callstack] 0x00007ffc814d3ea7 UnrealEditor-CoreUObject.dll!FPackageHarvester::ProcessExport() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage\PackageHarvester.cpp:519]
LogWindows: Error: [Callstack] 0x00007ffc814ca1f3 UnrealEditor-CoreUObject.dll!`anonymous namespace'::HarvestPackage() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:374]
LogWindows: Error: [Callstack] 0x00007ffc814cb4d1 UnrealEditor-CoreUObject.dll!`anonymous namespace'::InnerSave() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:2959]
LogWindows: Error: [Callstack] 0x00007ffc814de310 UnrealEditor-CoreUObject.dll!UPackage::Save2() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:3134]
LogWindows: Error: [Callstack] 0x00007ffc814de5d9 UnrealEditor-CoreUObject.dll!UPackage::Save() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage.cpp:20]
LogWindows: Error: [Callstack] 0x00007ffc393b3ea7 UnrealEditor-UnrealEd.dll!UEditorEngine::Save() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:4837]
LogWindows: Error: [Callstack] 0x00007ffc3913a027 UnrealEditor-UnrealEd.dll!UCookOnTheFlyServer::SaveCookedPackage() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\CookOnTheFlyServer.cpp:6172]
LogWindows: Error: [Callstack] 0x00007ffc3911e128 UnrealEditor-UnrealEd.dll!UCookOnTheFlyServer::PumpSaves() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\CookOnTheFlyServer.cpp:4738]
LogWindows: Error: [Callstack] 0x00007ffc391471e7 UnrealEditor-UnrealEd.dll!UCookOnTheFlyServer::TickMainCookLoop() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\CookOnTheFlyServer.cpp:1464]
LogWindows: Error: [Callstack] 0x00007ffc39146624 UnrealEditor-UnrealEd.dll!UCookOnTheFlyServer::TickCookByTheBook() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\CookOnTheFlyServer.cpp:1346]
LogWindows: Error: [Callstack] 0x00007ffc38e21de0 UnrealEditor-UnrealEd.dll!UCookCommandlet::RunCookByTheBookCook() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Commandlets\CookCommandlet.cpp:555]
LogWindows: Error: [Callstack] 0x00007ffc38de30cd UnrealEditor-UnrealEd.dll!UCookCommandlet::CookByTheBook() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Commandlets\CookCommandlet.cpp:508]
LogWindows: Error: [Callstack] 0x00007ffc38dfe910 UnrealEditor-UnrealEd.dll!UCookCommandlet::Main() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Commandlets\CookCommandlet.cpp:249]
LogWindows: Error: [Callstack] 0x00007ff7cc6595fd UnrealEditor-Cmd.exe!FEngineLoop::PreInitPostStartupScreen() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:4194]
LogWindows: Error: [Callstack] 0x00007ff7cc64f606 UnrealEditor-Cmd.exe!GuardedMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:136]
LogWindows: Error: [Callstack] 0x00007ff7cc64f8ea UnrealEditor-Cmd.exe!GuardedMainWrapper() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:118]
LogWindows: Error: [Callstack] 0x00007ff7cc652dc4 UnrealEditor-Cmd.exe!LaunchWindowsStartup() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:258]
LogWindows: Error: [Callstack] 0x00007ff7cc6688c4 UnrealEditor-Cmd.exe!WinMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:298]
LogWindows: Error: [Callstack] 0x00007ff7cc66aee6 UnrealEditor-Cmd.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
LogWindows: Error: [Callstack] 0x00007ffcb8157344 KERNEL32.DLL!UnknownFunction []
LogWindows: Error: 
LogWindows: Error: end: stack for UAT
LogExit: Executing StaticShutdownAfterError
LogWindows: FPlatformMisc::RequestExit(1, LaunchWindowsStartup.ExceptionHandler)
LogWindows: FPlatformMisc::RequestExitWithStatus(1, 3, LaunchWindowsStartup.ExceptionHandler)
LogCore: Engine exit requested (reason: Win RequestExit)

AltairGamesLLC · May 1, 2024, 6:21pm

This is how my latest error looks like.

[2024.05.01-16.54.22:268][  0]LogOutputDevice: Warning:

Script Stack (0 frames) :

[2024.05.01-16.54.22:358][  0]LogWindows: Error: appError called: Assertion failed: Actor->GetLevel() == this [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Level.cpp] [Line: 571]


[2024.05.01-16.56.04:175][  0]LogWindows: Error: === Critical error: ===
[2024.05.01-16.56.04:175][  0]LogWindows: Error:
[2024.05.01-16.56.04:175][  0]LogWindows: Error: Assertion failed: Actor->GetLevel() == this [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Level.cpp] [Line: 571]
[2024.05.01-16.56.04:176][  0]LogWindows: Error:
[2024.05.01-16.56.04:176][  0]LogWindows: Error:
[2024.05.01-16.56.04:176][  0]LogWindows: Error:
[2024.05.01-16.56.04:176][  0]LogWindows: Error:
Waited for 60.10s for output of D:\EpicGames\UE_5.4\Engine\Binaries\Win64\UnrealEditor-Cmd.exe, some output may be missing; we gave up.
Took 1,190.22s to run UnrealEditor-Cmd.exe, ExitCode=3
Cook failed.
(see C:\Users\shojib\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+EpicGames+UE_5.4\Log.txt for full exception trace)
AutomationTool executed for 0h 22m 40s
AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
BUILD FAILED

4.5cm · September 20, 2024, 6:38pm

Are you play in PIE?

In my case, WorldDataLayer Actor cause same error to me
try disable WorldPartion option in world setting

Bosa0007 · November 18, 2024, 7:44pm

Check if you are using External Actors. Maybe try toggling it on and off for all the levels to get it cooking again.