Ive followed a great tutorial by mcgamez2k99
who has been super helpful, but just wanted some other advice on Th UE forum !
All help ideas welcome Thank You
Tutorial Below
Unreal Engine 5.3 - Tutorial How to Setup City Sample Crowds (Metahuman) (MassAI) - 4K
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\ArrayView.h] [Line: 313] Array index out of bounds: -1 from an array of size 0
UnrealEditor_MassRepresentation!FMassStaticMeshInstanceVisualizationMeshDesc::operator==() [D:\build++UE5\Sync\Engine\Plugins\Runtime\MassGameplay\Source\MassRepresentation\Private\MassUpdateISMProcessor.cpp:56]
UnrealEditor_MassEntity!FMassArchetypeData::ExecuteFunction() [D:\build++UE5\Sync\Engine\Plugins\Runtime\MassEntity\Source\MassEntity\Private\MassArchetypeData.cpp:472]
UnrealEditor_MassEntity!FMassEntityQuery::ForEachEntityChunk() [D:\build++UE5\Sync\Engine\Plugins\Runtime\MassEntity\Source\MassEntity\Private\MassEntityQuery.cpp:247]
UnrealEditor_MassRepresentation!UMassUpdateISMProcessor::Execute() [D:\build++UE5\Sync\Engine\Plugins\Runtime\MassGameplay\Source\MassRepresentation\Private\MassUpdateISMProcessor.cpp:37]
UnrealEditor_MassEntity!UMassProcessor::CallExecute() [D:\build++UE5\Sync\Engine\Plugins\Runtime\MassEntity\Source\MassEntity\Private\MassProcessor.cpp:217]
UnrealEditor_MassEntity!FMassProcessorTask::DoTask() [D:\build++UE5\Sync\Engine\Plugins\Runtime\MassEntity\Source\MassEntity\Private\MassProcessor.cpp:79]
UnrealEditor_MassEntity!TGraphTask<FMassProcessorsTask_GameThread>::ExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\TaskGraphInterfaces.h:1235]
UnrealEditor_Core!FNamedTaskThread::ProcessTasksNamedThread() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:760]
UnrealEditor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:651]
UnrealEditor_Core!FTaskGraphCompatibilityImplementation::WaitUntilTasksComplete() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:2122]
UnrealEditor_Engine!FTickTaskSequencer::ReleaseTickGroup() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\TickTaskManager.cpp:556]
UnrealEditor_Engine!FTickTaskManager::RunTickGroup() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\TickTaskManager.cpp:1583]
UnrealEditor_Engine!UWorld::RunTickGroup() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\LevelTick.cpp:772]
UnrealEditor_Engine!UWorld::Tick() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\LevelTick.cpp:1499]
UnrealEditor_UnrealEd!UEditorEngine::Tick() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:2015]
UnrealEditor_UnrealEd!UUnrealEdEngine::Tick() [D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdEngine.cpp:550]
UnrealEditor!FEngineLoop::Tick() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:5921]
UnrealEditor!GuardedMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:180]
UnrealEditor!GuardedMainWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:118]
UnrealEditor!LaunchWindowsStartup() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:258]
UnrealEditor!WinMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:298]
UnrealEditor!__scrt_common_main_seh() [D:\a_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll