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.sln file missing when saving the project

Hi fantastic fellas Unreal Engine forum, I had a problem last night when I was trying to save my project. The engine suddenly crashed and when I tried to re-open it again it always crashed. When I opened the project folder I noticed that it didn't seem right. The .sln and some folders are missing. I noticed that the engine behaviour didn't seem alright when I import an FBX model. It was successful, but when I press the play button, the material of the FBX model of the character suddenly missing. Then it ended up crash when I try to save the project.

Here this is the log file I got :

Log file open, 06/01/17 10:59:22 LogInit:Display: Running engine for game: tryLakon LogPlatformFile: Not using cached read wrapper LogInit:Display: RandInit(2015813439) SRandInit(2015813439). LogTaskGraph: Started task graph with 5 named threads and 8 total threads with 1 sets of task threads. LogStats: Stats thread started at 0.087116 LogInit: Using libcurl 7.47.1 LogInit: - built for x86_64-pc-win32 LogInit: - supports SSL with OpenSSL/1.0.2g LogInit: - supports HTTP deflate (compression) using libz 1.2.8 LogInit: - other features: LogInit: CURL_VERSION_SSL LogInit: CURL_VERSION_LIBZ LogInit: CURL_VERSION_IPV6 LogInit: CURL_VERSION_ASYNCHDNS LogInit: CURL_VERSION_LARGEFILE LogInit: CURL_VERSION_IDN LogInit: CurlRequestOptions (configurable via config and command line): LogInit: - bVerifyPeer = false - Libcurl will NOT verify peer certificate LogInit: - bUseHttpProxy = false - Libcurl will NOT use HTTP proxy LogInit: - bDontReuseConnections = false - Libcurl will reuse connections LogInit: - CertBundlePath = nullptr - Libcurl will use whatever was configured at build time. LeapPluginLog: Using LeapPlugin version 2.0.0 LogInit: Build: ++UE4+Release-4.15-CL-3299760 LogInit: Engine Version: 4.15.0-3299760+++UE4+Release-4.15 LogInit: Compatible Engine Version: 4.15.0-3299760+++UE4+Release-4.15 LogInit: Net CL: 3299760 LogDevObjectVersion: Number of dev versions registered: 14 LogDevObjectVersion: Dev-Blueprints (B0D832E4-1F89-4F0D-ACCF-7EB736FD4AA2): 8 LogDevObjectVersion: Dev-Build (E1C64328-A22C-4D53-A36C-8E866417BD8C): 0 LogDevObjectVersion: Dev-Core (375EC13C-06E4-48FB-B500-84F0262A717E): 2 LogDevObjectVersion: Dev-Editor (E4B068ED-F494-42E9-A231-DA0B2E46BB41): 14 LogDevObjectVersion: Dev-Framework (CFFC743F-43B0-4480-9391-14DF171D2073): 22 LogDevObjectVersion: Dev-Mobile (B02B49B5-BB20-44E9-A304-32B752E40360): 0 LogDevObjectVersion: Dev-Networking (A4E4105C-59A1-49B5-A7C5-40C4547EDFEE): 0 LogDevObjectVersion: Dev-Online (39C831C9-5AE6-47DC-9A44-9C173E1C8E7C): 0 LogDevObjectVersion: Dev-Physics (78F01B33-EBEA-4F98-B9B4-84EACCB95AA2): 0 LogDevObjectVersion: Dev-Platform (6631380F-2D4D-43E0-8009-CF276956A95A): 0 LogDevObjectVersion: Dev-Rendering (12F88B9F-8875-4AFC-A67C-D90C383ABD29): 12 LogDevObjectVersion: Dev-Sequencer (7B5AE74C-D270-4C10-A958-57980B212A5A): 3 LogDevObjectVersion: Dev-VR (D7296918-1DD6-4BDD-9DE2-64A83CC13884): 0 LogDevObjectVersion: Dev-LoadTimes (C2A15278-BFE7-4AFE-6C17-90FF531DF755): 1 LogInit: Compiled (64-bit): Feb 14 2017 02:04:14 LogInit: Compiled with Visual C++: 19.00.23026.00 LogInit: Build Configuration: Development LogInit: Branch Name: ++UE4+Release-4.15 LogInit: Command line: LogInit: Base directory: C:/Program Files/Epic Game Unreal Engine 4.15/UE_4.15/Engine/Binaries/Win64/ LogInit: Installed Engine Build: 1 LogInit: Presizing for max 8388607 objects, including 0 objects not considered by GC, pre-allocating 0 bytes for permanent pool. LogInit: Object subsystem initialized [2017.06.01-02.59.23:311][ 0]LogInit: Selected Device Profile: [Windows] [2017.06.01-02.59.23:311][ 0]LogInit: Applying CVar settings loaded from the selected device profile: [Windows] [2017.06.01-02.59.23:324][ 0]LogInit: Computer: IPHONE [2017.06.01-02.59.23:324][ 0]LogInit: User: christiannurpatria [2017.06.01-02.59.23:324][ 0]LogInit: CPU Page size=65536, Cores=4 [2017.06.01-02.59.23:324][ 0]LogInit: High frequency timer resolution =2.338340 MHz [2017.06.01-02.59.23:325][ 0]LogMemory: Memory total: Physical=31.9GB (32GB approx) [2017.06.01-02.59.23:325][ 0]LogMemory: Platform Memory Stats for Windows [2017.06.01-02.59.23:325][ 0]LogMemory: Process Physical Memory: 265.33 MB used, 265.33 MB peak [2017.06.01-02.59.23:325][ 0]LogMemory: Process Virtual Memory: 263.93 MB used, 263.93 MB peak [2017.06.01-02.59.23:325][ 0]LogMemory: Physical Memory: 7655.49 MB used, 25029.99 MB free, 32685.48 MB total [2017.06.01-02.59.23:325][ 0]LogMemory: Virtual Memory: 682.64 MB used, 25029.99 MB free, 134217728.00 MB total [2017.06.01-02.59.23:517][ 0]LogTextLocalizationManager: No specific translations for ('en-AU') exist, so ('en') translations will be used. [2017.06.01-02.59.24:366][ 0]LogD3D11RHI: D3D11 adapters: [2017.06.01-02.59.24:657][ 0]LogD3D11RHI: 0. 'NVIDIA GeForce GTX 770M' (Feature Level 11_0) [2017.06.01-02.59.24:657][ 0]LogD3D11RHI: 3040/0/16342 MB DedicatedVideo/DedicatedSystem/SharedSystem, Outputs:2, VendorId:0x10de [2017.06.01-02.59.24:659][ 0]LogD3D11RHI: 1. 'Microsoft Basic Render Driver' (Feature Level 11_0) [2017.06.01-02.59.24:659][ 0]LogD3D11RHI: 0/0/16342 MB DedicatedVideo/DedicatedSystem/SharedSystem, Outputs:0, VendorId:0x1414 [2017.06.01-02.59.24:659][ 0]LogD3D11RHI: Chosen D3D11 Adapter: 0 [2017.06.01-02.59.24:667][ 0]LogD3D11RHI: Creating new Direct3DDevice [2017.06.01-02.59.24:667][ 0]LogD3D11RHI: GPU DeviceId: 0x11e0 (for the marketing name, search the web for "GPU Device Id") [2017.06.01-02.59.24:667][ 0]LogWindows: EnumDisplayDevices: [2017.06.01-02.59.24:667][ 0]LogWindows: 0. 'NVIDIA GeForce GTX 770M' (P:1 D:1) [2017.06.01-02.59.24:668][ 0]LogWindows: 1. 'NVIDIA GeForce GTX 770M' (P:0 D:1) [2017.06.01-02.59.24:668][ 0]LogWindows: 2. 'NVIDIA GeForce GTX 770M' (P:0 D:0) [2017.06.01-02.59.24:668][ 0]LogWindows: 3. 'NVIDIA GeForce GTX 770M' (P:0 D:0) [2017.06.01-02.59.24:668][ 0]LogWindows: DebugString: FoundDriverCount:4 [2017.06.01-02.59.24:668][ 0]LogD3D11RHI: Adapter Name: NVIDIA GeForce GTX 770M [2017.06.01-02.59.24:669][ 0]LogD3D11RHI: Driver Version: 381.65 (internal:22.21.13.8165, unified:381.65) [2017.06.01-02.59.24:669][ 0]LogD3D11RHI: Driver Date: 3-31-2017 [2017.06.01-02.59.24:669][ 0]LogRHI: Texture pool is 1361 MB (70% of 1945 MB) [2017.06.01-02.59.24:926][ 0]LogD3D11RHI:Warning: Timestamp queries are currently disabled on this hardware due to instability. Realtime GPU stats will not be available. You can override this behaviour by setting r.NVIDIATimestampWorkaround to 0 [2017.06.01-02.59.24:929][ 0]LogD3D11RHI: Async texture creation enabled [2017.06.01-02.59.24:990][ 0]LogD3D11RHI: GPU Timing Frequency: 1000.000000 (Debug: 2 2) [2017.06.01-02.59.25:096][ 0]LogShaderCompilers: Guid format shader working directory is -18 characters bigger than the processId version (../../../../../../Users/encis/Documents/Unreal Projects/tryLakon/Intermediate/Shaders/WorkingDirectory/6928/). [2017.06.01-02.59.25:096][ 0]LogShaderCompilers: Cleaned the shader compiler working directory 'C:/Users/encis/AppData/Local/Temp/UnrealShaderWorkingDir/EC49E02948274F79E319D2B940A51493/'. [2017.06.01-02.59.25:096][ 0]LogShaderCompilers:Display: Using Local Shader Compiler. [2017.06.01-02.59.27:901][ 0]LogTemp:Display: Loaded TP AllDesktopTargetPlatform [2017.06.01-02.59.27:977][ 0]LogTemp:Display: Loaded TP MacClientTargetPlatform [2017.06.01-02.59.28:052][ 0]LogTemp:Display: Loaded TP MacNoEditorTargetPlatform [2017.06.01-02.59.28:131][ 0]LogTemp:Display: Loaded TP MacServerTargetPlatform [2017.06.01-02.59.28:212][ 0]LogTemp:Display: Loaded TP MacTargetPlatform [2017.06.01-02.59.28:290][ 0]LogTemp:Display: Loaded TP WindowsClientTargetPlatform [2017.06.01-02.59.28:366][ 0]LogTemp:Display: Loaded TP WindowsNoEditorTargetPlatform [2017.06.01-02.59.28:443][ 0]LogTemp:Display: Loaded TP WindowsServerTargetPlatform [2017.06.01-02.59.28:512][ 0]LogTemp:Display: Loaded TP WindowsTargetPlatform [2017.06.01-02.59.28:589][ 0]LogTemp:Display: Loaded TP AndroidTargetPlatform [2017.06.01-02.59.28:666][ 0]LogTemp:Display: Loaded TP Android_ASTCTargetPlatform [2017.06.01-02.59.28:746][ 0]LogTemp:Display: Loaded TP Android_ATCTargetPlatform [2017.06.01-02.59.28:819][ 0]LogTemp:Display: Loaded TP Android_DXTTargetPlatform [2017.06.01-02.59.28:918][ 0]LogTemp:Display: Loaded TP Android_ETC1TargetPlatform [2017.06.01-02.59.28:992][ 0]LogTemp:Display: Loaded TP Android_ETC2TargetPlatform [2017.06.01-02.59.29:146][ 0]LogTemp:Display: Loaded TP Android_MultiTargetPlatform [2017.06.01-02.59.29:146][ 0]LogTemp:Display: Loaded TP Android_PVRTCTargetPlatform [2017.06.01-02.59.29:206][ 0]LogTemp:Display: Loaded TP HTML5TargetPlatform [2017.06.01-02.59.29:339][ 0]LogTemp:Display: Loaded TP IOSTargetPlatform [2017.06.01-02.59.29:389][ 0]LogTemp:Display: Loaded TP TVOSTargetPlatform [2017.06.01-02.59.29:464][ 0]LogTemp:Display: Loaded TP LinuxClientTargetPlatform [2017.06.01-02.59.29:538][ 0]LogTemp:Display: Loaded TP LinuxNoEditorTargetPlatform [2017.06.01-02.59.29:615][ 0]LogTemp:Display: Loaded TP LinuxServerTargetPlatform [2017.06.01-02.59.29:690][ 0]LogTemp:Display: Loaded TP LinuxTargetPlatform [2017.06.01-02.59.29:690][ 0]LogTargetPlatformManager:Display: Building Assets For Windows [2017.06.01-02.59.30:337][ 0]LogDerivedDataCache:Display: Max Cache Size: 512 MB [2017.06.01-02.59.30:597][ 0]LogDerivedDataCache: Loaded boot cache 0.26s 64MB C:/Users/encis/AppData/Local/UnrealEngine/4.15/DerivedDataCache/Boot.ddc. [2017.06.01-02.59.30:597][ 0]LogDerivedDataCache:Display: Loaded Boot cache: C:/Users/encis/AppData/Local/UnrealEngine/4.15/DerivedDataCache/Boot.ddc [2017.06.01-02.59.30:597][ 0]LogDerivedDataCache: FDerivedDataBackendGraph: Pak pak cache file ../../../../../../Users/encis/Documents/Unreal Projects/tryLakon/DerivedDataCache/DDC.ddp not found, will not use a pak cache. [2017.06.01-02.59.30:597][ 0]LogDerivedDataCache: Unable to find inner node Pak for hierarchical cache Hierarchy. [2017.06.01-02.59.30:597][ 0]LogDerivedDataCache: FDerivedDataBackendGraph: CompressedPak pak cache file ../../../../../../Users/encis/Documents/Unreal Projects/tryLakon/DerivedDataCache/Compressed.ddp not found, will not use a pak cache. [2017.06.01-02.59.30:597][ 0]LogDerivedDataCache: Unable to find inner node CompressedPak for hierarchical cache Hierarchy. [2017.06.01-02.59.30:621][ 0]LogDerivedDataCache:Display: Pak cache opened for reading ../../../Engine/DerivedDataCache/Compressed.ddp. [2017.06.01-02.59.30:633][ 0]LogDerivedDataCache: Using Local data cache path C:/Users/encis/AppData/Local/UnrealEngine/Common/DerivedDataCache: Writable [2017.06.01-02.59.30:652][ 0]LogSlate: Using Freetype 2.6.0 [2017.06.01-02.59.30:656][ 0]LogSlate: SlateFontCache - WITH_FREETYPE: 1, WITH_HARFBUZZ: 1 [2017.06.01-02.59.30:656][ 0]LogSlate: SlateFontCache - WITH_FREETYPE: 1, WITH_HARFBUZZ: 1 [2017.06.01-02.59.31:480][ 0]LogInit: Selected Device Profile: [Windows] [2017.06.01-02.59.31:781][ 0]LogMeshUtilities: Using QuadricMeshReduction for automatic static mesh reduction [2017.06.01-02.59.31:856][ 0]LogSimplygon: Simplygon DLL not present - disabling. [2017.06.01-02.59.31:932][ 0]LogMeshUtilities: Using SimplygonSwarm for distributed automatic mesh merging [2017.06.01-02.59.31:932][ 0]LogMeshUtilities: No automatic skeletal mesh reduction module available [2017.06.01-02.59.31:932][ 0]LogMeshUtilities: No automatic mesh merging module available [2017.06.01-02.59.32:901][ 0]LogNetVersion: GetLocalNetworkVersion: CL: 3299760, ProjectName: trylakon, ProjectVersion: , EngineNetworkVersion: 2, GameNetworkVersion: 0, NetworkChecksum: 2745092485 [2017.06.01-02.59.32:965][ 0]LogAssetRegistry: FAssetRegistry took 0.0239 seconds to start up [2017.06.01-02.59.33:047][ 0]LogPackageLocalizationCache: Processed 4 localized package path(s) for 2 prioritized culture(s) in 0.050816 seconds [2017.06.01-02.59.33:054][ 0]LogUObjectArray: 33160 objects as part of root set at end of initial load. [2017.06.01-02.59.33:054][ 0]LogUObjectAllocator: 7191520 out of 0 bytes used by permanent object pool. [2017.06.01-02.59.33:054][ 0]LogUObjectArray: CloseDisregardForGC: 0/0 objects in disregard for GC pool [2017.06.01-02.59.33:149][ 0]LogInit: WinSock: version 1.1 (2.2), MaxSocks=32767, MaxUdp=65467 [2017.06.01-02.59.33:415][ 0]LogWindows: Windows GetLastError: The operation completed successfully. (0)

Thank you in advance for anyone who is able to help. Bravo Unreal Engine!

Product Version: UE 4.15
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asked Jun 01 '17 at 01:19 PM in Using UE4

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ncislucu
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