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Editor has crashed and will close

Hi. This is my first post in this forum and I’m not sure if this is the right place to post it. But anyways!
So I was working last night and after I’m done, I built my lighting, everything went smooth, and after the build I wandered around the level a bit and it crashed and I used task manager to end it’s process and that was the doom of my level and oddly enough my autosaves too! :frowning:
And now every time I try to open my level or my autosaves, I get this error: (And I’m using 4.4 if that’s any help)

Assertion failed: TheModel->Nodes.IsValidIndex( NodeIdx ) [File:D:__03__Engines\UnrealEngine4.4.0\Engine\Source\Runtime\Engine\Private\ModelRender.cpp] [Line: 99]
Invalid Node Index, Idx:24, Num:24
Stack:
FWindowsPlatformStackWalk::StackWalkAndDump() 0xe1055bb6 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\core\private\windows\windowsplatformstackwalk.cpp:177] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-Core.dll]
FDebug::AssertFailed() 0xe0ef4535 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\core\private\misc\outputdevice.cpp:203] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-Core.dll]
UModelComponent::BuildRenderData() 0xdeca3133 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\engine\private\modelrender.cpp:100] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-Engine.dll]
UModelComponent::PostLoad() 0xdecd2d12 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\engine\private\modelcomponent.cpp:234] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-Engine.dll]
UObject::ConditionalPostLoad() 0xe170cb5a + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\coreuobject\private\uobject\obj.cpp:592] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-CoreUObject.dll]
UBodySetup::PostLoad() 0xdf56267f + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\engine\private\physicsengine\bodysetup.cpp:696] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-Engine.dll]
UObject::ConditionalPostLoad() 0xe170cb5a + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\coreuobject\private\uobject\obj.cpp:592] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-CoreUObject.dll]
EndLoad() 0xe1777816 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1112] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-CoreUObject.dll]
LoadPackage() 0xe1786e28 + 62 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:826] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-CoreUObject.dll]
UEditorEngine::Map_Load() 0xdd24eb74 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\editorserver.cpp:2165] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
UEditorEngine::HandleMapCommand() 0xdd240ebd + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\editorserver.cpp:5572] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
UEditorEngine::Exec() 0xdd22c841 + 21 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\editorserver.cpp:5053] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
UUnrealEdEngine::Exec() 0xdd54c8d0 + 17 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\unrealedsrv.cpp:704] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
FEditorFileUtils::LoadMap() 0xdd2b0ce4 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\filehelpers.cpp:1753] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
FEditorFileUtils::LoadDefaultMapAtStartup() 0xdd2b09a8 + 56 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\filehelpers.cpp:2858] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
FUnrealEdMisc::OnInit() 0xdd57c8c0 + 0 bytes [File=d:__03__engines\unrealengine4.4.0\engine\source\editor\unrealed\private\unrealedmisc.cpp:182] [in D:__03__Engines\UnrealEngine4.4.0\Engine\Binaries\Win64\UE4Editor-UnrealEd.dll]
EditorInit() 0xdd54b850 + 0 bytes File=d:__03__e

Any suggestions?!

Welcome! :wink:

Could you probably post this onto answerhub: https://answers.unrealengine.com/ :slight_smile: + do you just get the error or is it also crashing after you tried to open the level?

It’s crash every time want to open my project.
And it happened again. :eek: I try to remake my level from my two weeks ago backup, and after a hard working day, it happened again. my editor locked when I tried to play the game in editor and when I used task manager after several minutes to close it, it happened again.