Proyecto se crashea al iniciarlo!

Estoy usando la version 4.8.3… cuando abro mi proyecto se me crashea y busque soluciones pero ninguna funciono. Estuve trabajando por 2 meses y saber que por ahi se me corrompio me mata… Soy nuevo por eso pregunto.
Aca tienen el log (creo que es eso):

[2019.03.08-07.22.06:105][ 0]Log file open, 03/08/19 04:22:06
[2019.03.08-07.22.06:105][ 0]LogInit:Display: Running engine for game: HN_Alpha_Prototype
[2019.03.08-07.22.06:105][ 0]LogInit:Display: RandInit(838112289) SRandInit(838112289).
[2019.03.08-07.22.06:105][ 0]LogTaskGraph: Started task graph with 4 named threads and 7 total threads.
[2019.03.08-07.22.06:105][ 0]LogStats: Stats thread started
[2019.03.08-07.22.06:105][ 0]LogInit: Version: 4.8.3-2634408+++depot+UE4-Releases+4.8
[2019.03.08-07.22.06:105][ 0]LogInit: API Version: 2579680
[2019.03.08-07.22.06:105][ 0]LogInit: Compiled (64-bit): Jul 27 2015 16:24:33
[2019.03.08-07.22.06:105][ 0]LogInit: Compiled with Visual C++: 18.00.21005.01
[2019.03.08-07.22.06:105][ 0]LogInit: Build Configuration: Development
[2019.03.08-07.22.06:105][ 0]LogInit: Branch Name: ++depot+UE4-Releases+4.8
[2019.03.08-07.22.06:105][ 0]LogInit: Command line:
[2019.03.08-07.22.06:105][ 0]LogInit: Base directory: C:/Program Files/Epic Games/UE_4.8/Engine/Binaries/Win64/
[2019.03.08-07.22.06:105][ 0]LogInit: Rocket: 1
[2019.03.08-07.22.06:134][ 0]LogInit: Using libcurl 7.41.0
[2019.03.08-07.22.06:134][ 0]LogInit: - built for x86_64-pc-win32
[2019.03.08-07.22.06:134][ 0]LogInit: - supports SSL with WinSSL
[2019.03.08-07.22.06:134][ 0]LogInit: - other features:
[2019.03.08-07.22.06:134][ 0]LogInit: CURL_VERSION_SSL
[2019.03.08-07.22.06:134][ 0]LogInit: CURL_VERSION_IPV6
[2019.03.08-07.22.06:134][ 0]LogInit: CURL_VERSION_ASYNCHDNS
[2019.03.08-07.22.06:134][ 0]LogInit: CURL_VERSION_LARGEFILE
[2019.03.08-07.22.06:134][ 0]LogInit: CURL_VERSION_IDN
[2019.03.08-07.22.06:134][ 0]LogInit: CurlRequestOptions (configurable via config and command line):
[2019.03.08-07.22.06:134][ 0]LogInit: - bVerifyPeer = true - Libcurl will verify peer certificate
[2019.03.08-07.22.06:134][ 0]LogInit: - bUseHttpProxy = false - Libcurl will NOT use HTTP proxy
[2019.03.08-07.22.06:134][ 0]LogInit: - bDontReuseConnections = false - Libcurl will reuse connections
[2019.03.08-07.22.06:135][ 0]LogInit: - CertBundlePath = nullptr - Libcurl will use whatever was configured at build time.
[2019.03.08-07.22.06:162][ 0]LogOnline:Warning: No default platform service specified for OnlineSubsystem
[2019.03.08-07.22.06:192][ 0]LogInit: Presizing for 0 objects not considered by GC, pre-allocating 0 bytes.
[2019.03.08-07.22.06:197][ 0]LogInit: Object subsystem initialized
[2019.03.08-07.22.06:198][ 0]LogConsoleResponse:Warning: Skipping Unknown console variable: ‘TranslucentSortAxis = (X=0.000000,Y=-1.000000,Z=0.000000)’
[2019.03.08-07.22.06:198][ 0]LogConsoleResponse:Warning: Found in ini file ‘C:/Users/Julián Occhipinti/Documents/Unreal Projects/HN_Alpha_Prototype BETA/Saved/Config/Windows/Engine.ini’, in section ‘[/Script/Engine.RendererSettings]’
[2019.03.08-07.22.06:198][ 0]LogConsoleResponse:Warning: Skipping Unknown console variable: ‘UIScaleRule = ShortestSide’
[2019.03.08-07.22.06:198][ 0]LogConsoleResponse:Warning: Found in ini file ‘C:/Users/Julián Occhipinti/Documents/Unreal Projects/HN_Alpha_Prototype BETA/Saved/Config/Windows/Engine.ini’, in section ‘[/Script/Engine.RendererSettings]’
[2019.03.08-07.22.06:198][ 0]LogConsoleResponse:Warning: Skipping Unknown console variable: ‘UIScaleCurve = (EditorCurveData=(Keys=),ExternalCurve=None)’
[2019.03.08-07.22.06:198][ 0]LogConsoleResponse:Warning: Found in ini file ‘C:/Users/Julián Occhipinti/Documents/Unreal Projects/HN_Alpha_Prototype BETA/Saved/Config/Windows/Engine.ini’, in section ‘[/Script/Engine.RendererSettings]’
[2019.03.08-07.22.06:198][ 0]LogInit: Selected Device Profile: [Windows]
[2019.03.08-07.22.06:198][ 0]LogInit: Applying CVar settings loaded from the selected device profile: [Windows]
[2019.03.08-07.22.06:208][ 0]LogInit: Computer: LUCAS
[2019.03.08-07.22.06:208][ 0]LogInit: User: JuliánOcchipinti
[2019.03.08-07.22.06:208][ 0]LogInit: CPU Page size=4096, Cores=4
[2019.03.08-07.22.06:208][ 0]LogInit: High frequency timer resolution =3.515619 MHz
[2019.03.08-07.22.06:208][ 0]LogMemory: Memory total: Physical=7.9GB (8GB approx)
[2019.03.08-07.22.06:208][ 0]LogMemory: Platform Memory Stats for Windows
[2019.03.08-07.22.06:208][ 0]LogMemory: Process Physical Memory: 50.14 MB used, 50.14 MB peak
[2019.03.08-07.22.06:208][ 0]LogMemory: Process Virtual Memory: 24.56 MB used, 24.56 MB peak
[2019.03.08-07.22.06:208][ 0]LogMemory: Physical Memory: 3769.40 MB used, 8136.00 MB total
[2019.03.08-07.22.06:208][ 0]LogMemory: Virtual Memory: 4453.52 MB used, 134217728.00 MB total
[2019.03.08-07.22.06:248][ 0]LogTextLocalizationManager: The requested culture (‘es_ES’) has no localization data; parent culture’s (‘es’) localization data will be used.
[2019.03.08-07.22.06:379][ 0]LogTextLocalizationManager:Warning: Loaded localization resources contain conflicting entries for (Namespace:ContentBrowser, Key:ImportAssetToolTip):
Localization Resource: (C:/Program Files/Epic Games/UE_4.8/Engine/Content/Localization/Editor/es/Editor.locres) Source String Hash: (-630476809) Localized String: (Importar a {0}…)
Localization Resource: (C:/Program Files/Epic Games/UE_4.8/Engine/Content/Localization/Editor/es/Editor.locres) Source String Hash: (1271782899) Localized String: (Importa un activo desde el archivo a esta carpeta.)
[2019.03.08-07.22.06:838][ 0]LogD3D11RHI: Found D3D11 adapter 0: NVIDIA GeForce GTX 660 Ti (Feature Level 11_0)
[2019.03.08-07.22.06:838][ 0]LogD3D11RHI: Adapter has 1998MB of dedicated video memory, 0MB of dedicated system memory, and 4068MB of shared system memory, 1 output[s]
[2019.03.08-07.22.06:841][ 0]LogD3D11RHI: Found D3D11 adapter 1: Microsoft Basic Render Driver (Feature Level 11_0)
[2019.03.08-07.22.06:841][ 0]LogD3D11RHI: Adapter has 0MB of dedicated video memory, 0MB of dedicated system memory, and 4068MB of shared system memory, 0 output[s]
[2019.03.08-07.22.06:841][ 0]LogD3D11RHI: Chosen D3D11 Adapter Id = 0
[2019.03.08-07.22.06:848][ 0]LogD3D11RHI: InitD3DDevice
[2019.03.08-07.22.06:848][ 0]LogD3D11RHI: !Direct3DDevice
[2019.03.08-07.22.06:848][ 0]LogRHI: Texture pool is 1361 MB (70% of 1945 MB)
[2019.03.08-07.22.06:889][ 0]LogD3D11RHI: Async texture creation enabled
[2019.03.08-07.22.06:911][ 0]LogShaderCompilers:Display: Using Local Shader Compiler.
[2019.03.08-07.22.07:678][ 0]LogTemp:Display: Loaded TP DesktopTargetPlatform
[2019.03.08-07.22.07:709][ 0]LogTemp:Display: Loaded TP WindowsClientTargetPlatform
[2019.03.08-07.22.07:741][ 0]LogTemp:Display: Loaded TP WindowsNoEditorTargetPlatform
[2019.03.08-07.22.07:772][ 0]LogTemp:Display: Loaded TP WindowsServerTargetPlatform
[2019.03.08-07.22.07:803][ 0]LogTemp:Display: Loaded TP WindowsTargetPlatform
[2019.03.08-07.22.07:832][ 0]LogTemp:Display: Loaded TP AndroidTargetPlatform
[2019.03.08-07.22.07:860][ 0]LogTemp:Display: Loaded TP Android_ASTCTargetPlatform
[2019.03.08-07.22.07:889][ 0]LogTemp:Display: Loaded TP Android_ATCTargetPlatform
[2019.03.08-07.22.07:918][ 0]LogTemp:Display: Loaded TP Android_DXTTargetPlatform
[2019.03.08-07.22.07:946][ 0]LogTemp:Display: Loaded TP Android_ETC1TargetPlatform
[2019.03.08-07.22.07:974][ 0]LogTemp:Display: Loaded TP Android_ETC2TargetPlatform
[2019.03.08-07.22.08:003][ 0]LogTemp:Display: Loaded TP Android_PVRTCTargetPlatform
[2019.03.08-07.22.08:097][ 0]LogTemp:Display: Loaded TP IOSTargetPlatform
[2019.03.08-07.22.08:124][ 0]LogTemp:Display: Loaded TP LinuxNoEditorTargetPlatform
[2019.03.08-07.22.08:151][ 0]LogTemp:Display: Loaded TP LinuxServerTargetPlatform
[2019.03.08-07.22.08:179][ 0]LogTemp:Display: Loaded TP LinuxTargetPlatform
[2019.03.08-07.22.08:179][ 0]LogTargetPlatformManager:Display: Building Assets For Windows
[2019.03.08-07.22.08:657][ 0]LogDerivedDataCache:Display: Max Cache Size: 512 MB
[2019.03.08-07.22.08:715][ 0]LogDerivedDataCache: Loaded boot cache 0.06s 53MB C:/Users/Julián Occhipinti/AppData/Local/UnrealEngine/4.8/DerivedDataCache/Boot.ddc.
[2019.03.08-07.22.08:715][ 0]LogDerivedDataCache:Display: Loaded Boot cache: C:/Users/Julián Occhipinti/AppData/Local/UnrealEngine/4.8/DerivedDataCache/Boot.ddc
[2019.03.08-07.22.08:715][ 0]LogDerivedDataCache: FDerivedDataBackendGraph: Pak pak cache file …/…/…/…/…/…/Users/Julián Occhipinti/Documents/Unreal Projects/HN_Alpha_Prototype BETA/DerivedDataCache/DDC.ddp not found, will not use a pak cache.
[2019.03.08-07.22.08:715][ 0]LogDerivedDataCache: Unable to find inner node Pak for hierarchical cache Hierarchy.
[2019.03.08-07.22.08:715][ 0]LogDerivedDataCache: FDerivedDataBackendGraph: CompressedPak pak cache file …/…/…/…/…/…/Users/Julián Occhipinti/Documents/Unreal Projects/HN_Alpha_Prototype BETA/DerivedDataCache/Compressed.ddp not found, will not use a pak cache.
[2019.03.08-07.22.08:715][ 0]LogDerivedDataCache: Unable to find inner node CompressedPak for hierarchical cache Hierarchy.
[2019.03.08-07.22.08:838][ 0]LogDerivedDataCache:Display: Pak cache opened for reading …/…/…/Engine/DerivedDataCache/Compressed.ddp.
[2019.03.08-07.22.08:850][ 0]LogDerivedDataCache: Using Local data cache path C:/Users/Julián Occhipinti/AppData/Local/UnrealEngine/Common/DerivedDataCache: Writable
[2019.03.08-07.22.09:028][ 0]LogLinker:Warning: No puede encontrar el archivo ‘/Engine/EngineMaterials/WorldGridMaterial’
[2019.03.08-07.22.09:028][ 0]LogLinker:Warning: No puede encontrar el archivo ‘/Engine/EngineMaterials/WorldGridMaterial’
[2019.03.08-07.22.09:028][ 0]LogLinker:Warning: No puede encontrar el archivo ‘/Engine/EngineMaterials/WorldGridMaterial’
[2019.03.08-07.22.09:028][ 0]LogUObjectGlobals:Warning: Error al encontrar el objeto ‘Material /Engine/EngineMaterials/WorldGridMaterial.WorldGridMaterial’
[2019.03.08-07.22.09:028][ 0]LogWindows:Error: Windows GetLastError: La operación se completó correctamente. (0)
[2019.03.08-07.22.11:378][ 0]LogWindows: === Critical error: ===
Assertion failed: GDefaultMaterials[Domain] != NULL [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.8\Engine\Source\Runtime\Engine\Private\Materials\Material.cpp] [Line: 365]
Cannot load default material ‘engine-ini:/Script/Engine.Engine.DefaultMaterialName’

KERNELBASE.dll {0x00007ff8b428a388} + 0 bytes
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() {0x00007ff887a77c0f} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FOutputDevice::Logf__VA() {0x00007ff8879310b8} + 159 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Core.dll!FDebug::AssertFailed() {0x00007ff887901e72} + 65 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UMaterialInterface::InitDefaultMaterials() {0x00007ff87cabc81d} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UMaterialInterface::UMaterialInterface() {0x00007ff87caf4ddb} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-Engine.dll!UMaterial::UMaterial() {0x00007ff87ca4f6dd} + 29 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!StaticConstructObject_Internal() {0x00007ff8874f4e7f} + 46 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::CreateExport() {0x00007ff8873df4f9} + 58 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::CreateExportAndPreload() {0x00007ff8873dfb7b} + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::LoadAllObjects() {0x00007ff88740816a} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!LoadPackageInternal() {0x00007ff8874e4943} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::VerifyImportInner() {0x00007ff887437bd0} + 49 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::VerifyImport() {0x00007ff887436b2b} + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::VerifyImportInner() {0x00007ff8874380f0} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::VerifyImport() {0x00007ff887436b2b} + 16 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::Verify() {0x00007ff887436802} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::FinalizeCreation() {0x00007ff8873eb075} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::Tick() {0x00007ff8874355a0} + 8 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!FLinkerLoad::CreateLinker() {0x00007ff8873e1b7f} + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!GetPackageLinker() {0x00007ff8873fea59} + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!LoadPackageInternal() {0x00007ff8874e4717} + 34 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!ResolveName() {0x00007ff8874f1832} + 57 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!StaticLoadObjectInternal() {0x00007ff8874f95a1} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!StaticLoadObject() {0x00007ff8874f8e9a} + 32 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UMG.dll!ConstructorHelpersInternal::FindOrLoadObject() {0x00007ff883a425bd} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UMG.dll!ConstructorHelpers::FObjectFinder::FObjectFinder() {0x00007ff883a56d70} + 10 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-UMG.dll!UWidgetComponent::UWidgetComponent() {0x00007ff883a74db3} + 39 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UClass::CreateDefaultObject() {0x00007ff887334251} + 42 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!UObjectLoadAllCompiledInDefaultProperties() {0x00007ff8874fc06a} + 19 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor-CoreUObject.dll!ProcessNewlyLoadedUObjects() {0x00007ff8874e925d} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!FEngineLoop::PreInit() {0x00007ff7c0d6d286} + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!GuardedMain() {0x00007ff7c0d643fb} + 15 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!GuardedMainWrapper() {0x00007ff7c0d64a4a} + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!WinMain() {0x00007ff7c0d765c9} + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\sou
UE4Editor.exe!__tmainCRTStartup() {0x00007ff7c0d775d9} + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
KERNEL32.DLL {0x00007ff8b7a13dc4} + 0 bytes
ntdll.dll {0x00007ff8b7b63691} + 0 bytes
ntdll.dll {0x00007ff8b7b63691} + 0 bytes

[2019.03.08-07.22.11:496][ 0]LogExit: Executing StaticShutdownAfterError
[2019.03.08-07.22.11:498][ 0]LogWindows: FPlatformMisc::RequestExit(1)
[2019.03.08-07.22.11:498][ 0]Log file closed, 03/08/19 04:22:11

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks