meta 900版本编辑器，随便拖一个预制体进来。报错。

可能是模板文件损坏了

看一下有这些文件吗
https://user.233lyly.com/community/resources/post_1669609124366.jpg

meta 900版本编辑器，随便拖一个预制体进来。报错。
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 674]
Array index out of bounds: 0 from an array of size 0
0x00007ffe3a5c4fd9 KERNELBASE.dll!UnknownFunction []
0x00007ffda0ee4425 UE4-Core.dll!ReportAssert() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformCrashContext.cpp:1615]
0x00007ffda0ee4147 UE4-Core.dll!FWindowsErrorOutputDevice::Serialize() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Private\Windows\WindowsErrorOutputDevice.cpp:85]
0x00007ffda0c69b38 UE4-Core.dll!FOutputDevice::LogfImpl() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Private\Misc\OutputDevice.cpp:61]
0x00007ffda0bf7b97 UE4-Core.dll!AssertFailedImplV() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:104]
0x00007ffda0bf79f8 UE4-Core.dll!FDebug::CheckVerifyFailedImpl() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:461]
0x00007ffd9f5028ac UE4-MWWorldRun.dll!FDebug::CheckVerifyFailed() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Public\Misc\AssertionMacros.h:155]
0x00007ffd9f50c184 UE4-MWWorldRun.dll!TArray >::RangeCheck::::operator()() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Public\Containers\Array.h:674]
0x00007ffd9f2eb34c UE4-MWWorldRun.dll!MWAssetActorFromPrefabTool::NewOnCreateChild2() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Asset\Actor\MWAssetActorFromPrefab.cpp:3363]
0x00007ffd9f2c0f8f UE4-MWWorldRun.dll!MWAssetActorFromPrefabTool::NewOnCreateActor() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Asset\Actor\MWAssetActorFromPrefab.cpp:3348]
0x00007ffd9f24d0a6 UE4-MWWorldRun.dll!MWAssetActor::BeginCreateActor() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Asset\Actor\MWAssetActor.cpp:65]
0x00007ffd9f45cd57 UE4-MWWorldRun.dll!UMWLevel::BeginSpawnActor() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Runtime\Game\MWLevel.cpp:1579]
0x00007ffd9f45c2de UE4-MWWorldRun.dll!UMWLevel::SpawnActor() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Runtime\Game\MWLevel.cpp:1541]
0x00007ffd9f26064a UE4-MWWorldRun.dll!UMWLevel::SpawnActor() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Public\UE4\Runtime\Game\MWLevel.h:343]
0x00007ffd82b9034d UE4-MWEdCore.dll!FMWEdCoreGlobal::SpawnActor() [C:\builds\0\metaworldeditor\Plugins\MWEd\MWEdCore\Source\Private\Common\MWCoreGlobal.cpp:749]
0x00007ffd83f6c081 UE4-MWEdCore.dll!SMWEdViewport::HandleDragObjects::::operator()() [C:\builds\0\metaworldeditor\Plugins\MWEd\MWEdCore\Source\Private\Slate\ViewPort\SMWEdViewport.cpp:911]
0x00007ffd83f6a697 UE4-MWEdCore.dll!UE4Function_Private::TFunctionRefCaller<`lambda at C:/builds/0/metaworldeditor/Plugins/MWEd/MWEdCore/Source/Private/Slate/ViewPort/SMWEdViewport.cpp:896:21',void (bool, int, MWWR::Note)>::Call() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Public\Templates\Function.h:548]
0x00007ffd9f3a1e73 UE4-MWWorldRun.dll!UE4Function_Private::TFunctionRefCaller<`lambda at C:/builds/0/metaworldeditor/Plugins/MWWorldRun/Source/MWWorldRun/Private/UE4/Asset/Actor/MWAssetActorFromPrefab.cpp:2151:9',void ()>::Call() [C:\builds\0\unrealengine\Engine\Source\Runtime\Core\Public\Templates\Function.h:548]
0x00007ffd9f2cd90c UE4-MWWorldRun.dll!MWAssetActorFromPrefabTool::HandlePrefabNewGuid() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Asset\Actor\MWAssetActorFromPrefab.cpp:2277]
0x00007ffd9f2dee96 UE4-MWWorldRun.dll!MWAssetActorFromPrefabTool::CopyPrefabDir() [C:\builds\0\metaworldeditor\Plugins\MWWorldRun\Source\MWWorldRun\Private\UE4\Asset\Actor\MWAssetActorFromPrefab.cpp:2150]
0x00007ffd83e75931 UE4-MWEdCore.dll!SMWEdViewport::HandleDragObjects() [C:\builds\0\metaworldeditor\Plugins\MWEd\MWEdCore\Source\Private\Slate\ViewPort\SMWEdViewport.cpp:933]
0x00007ffd83e781c6 UE4-MWEdCore.dll!SMWEdViewport::OnDragEnter() [C:\builds\0\metaworldeditor\Plugins\MWEd\MWEdCore\Source\Private\Slate\ViewPort\SMWEdViewport.cpp:968]
0x00007ffde92ce8a4 UE4-Slate.dll!FSlateApplication::RoutePointerMoveEvent() [C:\builds\0\unrealengine\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5117]
0x00007ffde92973d6 UE4-Slate.dll!FSlateApplication::ProcessMouseMoveEvent() [C:\builds\0\unrealengine\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5594]
0x00007ffde92d2f78 UE4-Slate.dll!FSlateApplication::OnMouseMove() [C:\builds\0\unrealengine\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5518]
0x00007ffdfc459498 UE4-ApplicationCore.dll!FWindowsApplication::ProcessDeferredMessage() [C:\builds\0\unrealengine\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:2216]
0x00007ffdfc458d6a UE4-ApplicationCore.dll!FWindowsApplication::DeferMessage() [C:\builds\0\unrealengine\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:2642]
0x00007ffdfc45496c UE4-ApplicationCore.dll!FWindowsApplication::ProcessMessage() [C:\builds\0\unrealengine\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:979]
0x00007ffdfc452366 UE4-ApplicationCore.dll!FWindowsApplication::AppWndProc() [C:\builds\0\unrealengine\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:877]
0x00007ffe3c90e858 USER32.dll!UnknownFunction []
0x00007ffe3c90e299 USER32.dll!UnknownFunction []
0x00007ffdfc45efca UE4-ApplicationCore.dll!FWindowsPlatformApplicationMisc::PumpMessages() [C:\builds\0\unrealengine\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsPlatformApplicationMisc.cpp:130]
0x00007ff6d9bc8299 UE4.exe!FEngineLoop::Tick() [C:\builds\0\unrealengine\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:4772]
0x00007ff6d9bd1178 UE4.exe!GuardedMain() [C:\builds\0\unrealengine\Engine\Source\Runtime\Launch\Private\Launch.cpp:169]
0x00007ff6d9be3388 UE4.exe!GuardedMainWrapper() [C:\builds\0\unrealengine\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:152]
0x00007ff6d9be39c2 UE4.exe!WinMain() [C:\builds\0\unrealengine\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:269]
0x00007ff6d9bf3946 UE4.exe!__scrt_common_main_seh() [d:\a01\_work\12\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
0x00007ffe3b6e7034 KERNEL32.DLL!UnknownFunction []
0x00007ffe3cc62651 ntdll.dll!UnknownFunction []