I can't package my game (I didn't used code) w_char error

UATHelper: Packaging (Windows (64-bit)): ********** BUILD COMMAND STARTED **********
UATHelper: Packaging (Windows (64-bit)): Running: D:\UE4.21\UE_4.21\Engine\Binaries\DotNET\UnrealBuildTool.exe EXISTANCE Win64 Development -Project=D:\UE4.21\UE_4.21\Projects\efjs\efjs.uproject -clean D:\UE4.21\UE_4.21\Projects\efjs\efjs.uproject -NoUBTMakefiles -remoteini=“D:\UE4.21\UE_4.21\Projects\efjs” -skipdeploy -nobuilduht -NoHotReload -log=“C:\Users
\user\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4.21+UE_4.21\UBT-EXISTANCE-Win64-Development.txt”
UATHelper: Packaging (Windows (64-bit)): Took 0,5203354s to run UnrealBuildTool.exe, ExitCode=0
UATHelper: Packaging (Windows (64-bit)): Running: D:\UE4.21\UE_4.21\Engine\Binaries\DotNET\UnrealBuildTool.exe EXISTANCE Win64 Development -Project=D:\UE4.21\UE_4.21\Projects\efjs\efjs.uproject D:\UE4.21\UE_4.21\Projects\efjs\efjs.uproject -NoUBTMakefiles -remoteini=“D:\UE4.21\UE_4.21\Projects\efjs” -skipdeploy -Manifest=D:\UE4.21\UE_4.21\Projects\efjs\Int
ermediate\Build\Manifest.xml -NoHotReload -ignorejunk -log=“C:\Users\user\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4.21+UE_4.21\UBT-EXISTANCE-Win64-Development_2.txt”
UATHelper: Packaging (Windows (64-bit)): Using Visual Studio 2017 14.16.27023 toolchain (C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023) and Windows 10.0.16299.0 SDK (C:\Program Files (x86)\Windows Kits\10).
UATHelper: Packaging (Windows (64-bit)): Parsing headers for EXISTANCE
UATHelper: Packaging (Windows (64-bit)): Running UnrealHeaderTool “D:\UE4.21\UE_4.21\Projects\efjs\efjs.uproject” “D:\UE4.21\UE_4.21\Projects\efjs\Intermediate\Build\Win64\EXISTANCE\Development\EXISTANCE.uhtmanifest” -LogCmds=“loginit warning, logexit warning, logdatabase error” -Unattended -WarningsAsErrors -installed
UATHelper: Packaging (Windows (64-bit)): Reflection code generated for EXISTANCE in 5,1678831 seconds
UATHelper: Packaging (Windows (64-bit)): Writing manifest to D:\UE4.21\UE_4.21\Projects\efjs\Intermediate\Build\Manifest.xml
UATHelper: Packaging (Windows (64-bit)): Building 2 actions with 12 processes…
UATHelper: Packaging (Windows (64-bit)): [1/2] SharedPCH.Engine.cpp
UATHelper: Packaging (Windows (64-bit)): [2/2] EXISTANCE.exe
UATHelper: Packaging (Windows (64-bit)): vpxmd.lib(vpx_src_vpx_codec.obj) : MSIL .netmodule or module compiled with /GL found; restarting link with /LTCG; add /LTCG to the link command line to improve linker performance
UATHelper: Packaging (Windows (64-bit)): Creating library D:\UE4.21\UE_4.21\Projects\efjs\Binaries\Win64\EXISTANCE.lib and object D:\UE4.21\UE_4.21\Projects\efjs\Binaries\Win64\EXISTANCE.exp
UATHelper: Packaging (Windows (64-bit)): Module.Launch.cpp.obj : error LNK2001: unresolved external symbol “bool GIsGameAgnosticExe” (?GIsGameAgnosticExe@@3_NA)
UATHelper: Packaging (Windows (64-bit)): Module.Core.6_of_10.cpp.obj : error LNK2001: unresolved external symbol “bool GIsGameAgnosticExe” (?GIsGameAgnosticExe@@3_NA)
UATHelper: Packaging (Windows (64-bit)): Module.AutomationController.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Engine.24_of_42.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Engine.38_of_42.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.NetworkFile.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.AutomationWorker.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.VulkanRHI.2_of_3.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.PakFile.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Engine.16_of_42.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Engine.19_of_42.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.ShaderCore.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.D3D11RHI.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.HTTP.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.BuildPatchServices.1_of_3.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Core.10_of_10.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.CoreUObject.1_of_7.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.ApplicationCore.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): IPlatformFileSandboxWrapper.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Launch.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Core.2_of_10.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Core.6_of_10.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Core.7_of_10.cpp.obj : error LNK2001: unresolved external symbol “wchar_t * GInternalProjectName” (?GInternalProjectName@@3PA_WA)
UATHelper: Packaging (Windows (64-bit)): Module.Core.2_of_10.cpp.obj : error LNK2001: unresolved external symbol “wchar_t const * const GForeignEngineDir” (?GForeignEngineDir@@3PEB_WEB)
UATHelper: Packaging (Windows (64-bit)): D:\UE4.21\UE_4.21\Projects\efjs\Binaries\Win64\EXISTANCE.exe : fatal error LNK1120: 3 unresolved externals
UATHelper: Packaging (Windows (64-bit)): ERROR: UBT ERROR: Failed to produce item: D:\UE4.21\UE_4.21\Projects\efjs\Binaries\Win64\EXISTANCE.exe
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\user\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4.21+UE_4.21\UBT-EXISTANCE-Win64-Development_2.txt for full exception trace)
UATHelper: Packaging (Windows (64-bit)): Total build time: 25,78 seconds (Parallel executor: 0,00 seconds)
UATHelper: Packaging (Windows (64-bit)): Took 25,9658418s to run UnrealBuildTool.exe, ExitCode=5
UATHelper: Packaging (Windows (64-bit)): ERROR: UnrealBuildTool failed. See log for more details. (C:\Users\user\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4.21+UE_4.21\UBT-EXISTANCE-Win64-Development_2.txt)
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\user\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4.21+UE_4.21\Log.txt for full exception trace)
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=5 (5)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: UBT ERROR: Failed to produce item: D:\UE4.21\UE_4.21\Projects\efjs\Binaries\Win64\EXISTANCE.exe
PackagingResults: Error: UnrealBuildTool failed. See log for more details. (C:\Users\user\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4.21+UE_4.21\UBT-EXISTANCE-Win64-Development_2.txt)

Whats in the Log Files?