[UE5.2.1, Bug report] GameMode default pawn, Type mismatch, Found REINST_

Engine nonsense on basic functionality:

LogGameMode: Display: Match State Changed from EnteringMap to WaitingToStart
LogGameState: Match State Changed from EnteringMap to WaitingToStart
LogGameMode: Display: Match State Changed from WaitingToStart to InProgress
LogOutputDevice: Warning: Script Stack (1 frames) :
/Game/Blueprint/Pawn/Vehicle/Spaceship/Fighter/BP_Pawn_Spaceship_Fighter.BP_Pawn_Spaceship_Fighter_C.ReceiveBeginPlay
LogStats: FPlatformStackWalk::StackWalkAndDump -  2.938 s
LogOutputDevice: Error: === Handled ensure: ===
LogOutputDevice: Error: Ensure condition failed: NewObject->IsA(this->GeneratedClass)  [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Blueprint.cpp] [Line: 875] 
LogOutputDevice: Error: Type mismatch: Expected BP_Pawn_Spaceship_Fighter_C, Found REINST_BP_Pawn_Spaceship_Fighter_C_44
LogOutputDevice: Error: Stack: 
LogOutputDevice: Error: [Callstack] 0x00007ff93c6ed318 UnrealEditor-Engine.dll!UBlueprint::SetObjectBeingDebugged() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Blueprint.cpp:871]
LogOutputDevice: Error: [Callstack] 0x00007ff943c6c3c9 UnrealEditor-UnrealEd.dll!FKismetDebugUtilities::OnScriptException() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Kismet2\KismetDebugUtilities.cpp:279]
LogOutputDevice: Error: [Callstack] 0x00007ff9441daf4a UnrealEditor-UnrealEd.dll!TBaseStaticDelegateInstance<void __cdecl(UObject const *,FFrame const &,FBlueprintExceptionInfo const &),FDefaultDelegateUserPolicy>::ExecuteIfSafe() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:658]
LogOutputDevice: Error: [Callstack] 0x00007ff94fe0548c UnrealEditor-CoreUObject.dll!FBlueprintCoreDelegates::ThrowScriptException() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:232]
LogOutputDevice: Error: [Callstack] 0x00007ff94fe1ad50 UnrealEditor-CoreUObject.dll!UObject::execTracepoint() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:2429]
LogOutputDevice: Error: [Callstack] 0x00007ff94fde51aa UnrealEditor-CoreUObject.dll!ProcessLocalScriptFunction() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:1203]
LogOutputDevice: Error: [Callstack] 0x00007ff94fde4497 UnrealEditor-CoreUObject.dll!UObject::ProcessInternal() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:1300]
LogOutputDevice: Error: [Callstack] 0x00007ff94fb7907c UnrealEditor-CoreUObject.dll!UFunction::Invoke() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:6411]
LogOutputDevice: Error: [Callstack] 0x00007ff94fde375f UnrealEditor-CoreUObject.dll!UObject::ProcessEvent() [D:\build\++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:2131]
LogOutputDevice: Error: [Callstack] 0x00007ff93c197787 UnrealEditor-Engine.dll!AActor::ProcessEvent() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:1055]
LogOutputDevice: Error: [Callstack] 0x00007ff93c16a8ef UnrealEditor-Engine.dll!AActor::BeginPlay() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:4175]
LogOutputDevice: Error: [Callstack] 0x00007ff93d5e2d3b UnrealEditor-Engine.dll!APawn::BeginPlay() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Pawn.cpp:178]
LogOutputDevice: Error: [Callstack] 0x00007ff9159e435c UnrealEditor-Space2D.dll!ASHMUPPawn::BeginPlay() [K:\Unreal Projects\Space2D\Source\Space2D\Private\Pawn\SHMUPPawn.cpp:65]
LogOutputDevice: Error: [Callstack] 0x00007ff93c172cbf UnrealEditor-Engine.dll!AActor::DispatchBeginPlay() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:4115]
LogOutputDevice: Error: [Callstack] 0x00007ff93e0d764a UnrealEditor-Engine.dll!AWorldSettings::NotifyBeginPlay() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\WorldSettings.cpp:281]
LogOutputDevice: Error: [Callstack] 0x00007ff93cc041c4 UnrealEditor-Engine.dll!AGameMode::HandleMatchHasStarted() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\GameMode.cpp:224]
LogOutputDevice: Error: [Callstack] 0x00007ff93cc2e706 UnrealEditor-Engine.dll!AGameMode::SetMatchState() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\GameMode.cpp:341]
LogOutputDevice: Error: [Callstack] 0x00007ff93cc31d6b UnrealEditor-Engine.dll!AGameMode::StartMatch() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\GameMode.cpp:201]
LogOutputDevice: Error: [Callstack] 0x00007ff93df5fadd UnrealEditor-Engine.dll!UWorld::BeginPlay() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\World.cpp:4875]
LogOutputDevice: Error: [Callstack] 0x00007ff93cc329df UnrealEditor-Engine.dll!UGameInstance::StartPlayInEditorGameInstance() [D:\build\++UE5\Sync\Engine\Source\Runtime\Engine\Private\GameInstance.cpp:554]
LogOutputDevice: Error: [Callstack] 0x00007ff943dcaa94 UnrealEditor-UnrealEd.dll!UEditorEngine::CreateInnerProcessPIEGameInstance() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:3225]
LogOutputDevice: Error: [Callstack] 0x00007ff943dfd456 UnrealEditor-UnrealEd.dll!UEditorEngine::OnLoginPIEComplete_Deferred() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1680]
LogOutputDevice: Error: [Callstack] 0x00007ff943dcb699 UnrealEditor-UnrealEd.dll!UEditorEngine::CreateNewPlayInEditorInstance() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1943]
LogOutputDevice: Error: [Callstack] 0x00007ff943e201ca UnrealEditor-UnrealEd.dll!UEditorEngine::StartPlayInEditorSession() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:2956]
LogOutputDevice: Error: [Callstack] 0x00007ff943e23c3d UnrealEditor-UnrealEd.dll!UEditorEngine::StartQueuedPlaySessionRequestImpl() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1257]
LogOutputDevice: Error: [Callstack] 0x00007ff943e2340e UnrealEditor-UnrealEd.dll!UEditorEngine::StartQueuedPlaySessionRequest() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1160]
LogOutputDevice: Error: [Callstack] 0x00007ff943789b99 UnrealEditor-UnrealEd.dll!UEditorEngine::Tick() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:1792]
LogOutputDevice: Error: [Callstack] 0x00007ff94421edc6 UnrealEditor-UnrealEd.dll!UUnrealEdEngine::Tick() [D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdEngine.cpp:519]
LogOutputDevice: Error: [Callstack] 0x00007ff64c0d875f UnrealEditor.exe!FEngineLoop::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:5812]
LogOutputDevice: Error: [Callstack] 0x00007ff64c0f473c UnrealEditor.exe!GuardedMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:188]
LogOutputDevice: Error: [Callstack] 0x00007ff64c0f482a UnrealEditor.exe!GuardedMainWrapper() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:107]
LogOutputDevice: Error: [Callstack] 0x00007ff64c0f74f0 UnrealEditor.exe!LaunchWindowsStartup() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:244]
LogOutputDevice: Error: [Callstack] 0x00007ff64c10a4c4 UnrealEditor.exe!WinMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:284]
LogOutputDevice: Error: [Callstack] 0x00007ff64c10d996 UnrealEditor.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
LogOutputDevice: Error: [Callstack] 0x00007ffa00767614 KERNEL32.DLL!UnknownFunction []
LogOutputDevice: Error: [Callstack] 0x00007ffa014626b1 ntdll.dll!UnknownFunction []