[2025.04.25-16.06.09:304][927]LogWindows: Error: appError called: Assertion failed: IsValidIndex(Index) [File:D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\UObjectArray.h] [Line: 530]
IsValidIndex(1207959560)[2025.04.25-16.06.09:304][927]LogWindows: Windows GetLastError: L’opération a réussi. (0)
[2025.04.25-16.06.14:017][927]LogThreadingWindows: Error: Runnable thread Foreground Worker #0 crashed.
[2025.04.25-16.06.14:018][927]LogWindows: Error: === Critical error: ===
[2025.04.25-16.06.14:018][927]LogWindows: Error:
[2025.04.25-16.06.14:018][927]LogWindows: Error: Assertion failed: IsValidIndex(Index) [File:D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\UObjectArray.h] [Line: 530]
[2025.04.25-16.06.14:018][927]LogWindows: Error: IsValidIndex(1207959560)
[2025.04.25-16.06.14:018][927]LogWindows: Error:
[2025.04.25-16.06.14:018][927]LogWindows: Error:
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8fdfff5bd UnrealEditor-CoreUObject.dll!UE::GC::TFastReferenceCollector<UE::GC::TReachabilityProcessor<5>,UE::GC::TReachabilityCollector<5> >::ProcessObjectArray() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\FastReferenceCollector.h:718]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8fdf8e393 UnrealEditor-CoreUObject.dll!CollectReferences<UE::GC::TReachabilityCollector<5>,UE::GC::TReachabilityProcessor<5> >'::3’::<lambda_1>::<lambda_invoker_cdecl>() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\FastReferenceCollector.h:853]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8fdfd1fa8 UnrealEditor-CoreUObject.dll!UE::Tasks::Private::TExecutableTaskBase<UE::GC::ProcessAsync'::40’::<lambda_1>,void,void>::ExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Tasks\TaskPrivate.h:701]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8fdf856f7 UnrealEditor-CoreUObject.dll!UE::Tasks::Private::FTaskBase::TryExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Tasks\TaskPrivate.h:436]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8fdf27f74 UnrealEditor-CoreUObject.dll!LowLevelTasks::TTaskDelegate<LowLevelTasks::FTask * __cdecl(bool),48>::TTaskDelegateImpl<LowLevelTasks::FTask::Init<UE::Tasks::Private::FTaskBase::Init’::2'::<lambda_1> >'::11’::<lambda_1>,0>::CallAndMove() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\Fundamental\TaskDelegate.h:171]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8efdd8cd5 UnrealEditor-Core.dll!LowLevelTasks::FTask::ExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\Fundamental\Task.h:627]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8efdd8a7c UnrealEditor-Core.dll!LowLevelTasks::FScheduler::ExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:150]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8efdb80e2 UnrealEditor-Core.dll!LowLevelTasks::FScheduler::TryExecuteTaskFrom<LowLevelTasks::TLocalQueueRegistry<1024>::TLocalQueue,&LowLevelTasks::TLocalQueueRegistry<1024>::TLocalQueue::DequeueGlobal,0>() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:350]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8efe008c2 UnrealEditor-Core.dll!LowLevelTasks::FScheduler::WorkerMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:378]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8efdc8b60 UnrealEditor-Core.dll!UE::Core::Private::Function::TFunctionRefCaller<LowLevelTasks::FScheduler::CreateWorker'::2’::<lambda_1>,void __cdecl(void)>::Call() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Templates\Function.h:480]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8effaf773 UnrealEditor-Core.dll!FThreadImpl::Run() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\HAL\Thread.cpp:69]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8f03e4e32 UnrealEditor-Core.dll!FRunnableThreadWin::Run() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:149]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff8f03d8667 UnrealEditor-Core.dll!FRunnableThreadWin::GuardedRun() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:79]
[2025.04.25-16.06.14:018][927]LogWindows: Error: [Callstack] 0x00007ff96b51e8d7 KERNEL32.DLL!UnknownFunction
[2025.04.25-16.06.14:018][927]LogWindows: Error:
[2025.04.25-16.06.14:018][927]LogWindows: Error: Crash in runnable thread Foreground Worker #0
[2025.04.25-16.06.19:045][927]LogExit: Executing StaticShutdownAfterError
[2025.04.25-16.06.19:200][927]LogWindows: FPlatformMisc::RequestExit(1, FRunnableThreadWin::GuardedRun.ExceptionHandler)
[2025.04.25-16.06.19:200][927]LogWindows: FPlatformMisc::RequestExitWithStatus(1, 3, FRunnableThreadWin::GuardedRun.ExceptionHandler)
[2025.04.25-16.06.19:200][927]LogCore: Engine exit requested (reason: Win RequestExit)
This happens randomly and i have no clue why.