Problema al empaquetar un proyecto finalizado

al empaquetar un proyecto terminado, me arroja un problema casi inmediatamente al arrancar el empaquetado y no tengo idea que pueda ser.
Agradecería mucho que alguien me orientara con que podría ser.

Dejo aqui el codigo que me arroja.

LogTextFormatter: Warning: Failed to parse argument “0 '{0” as a number (using “0” as a fallback). Please check your format string for errors: “Ninguna imagen en '{0 ‘{0}’ ({1}x{2})”.
LogSlate: Only BGRA pngs, bmps or icos are supported in by External Image Picker
LogTemp: Executing iPhonePackager certificates Engine -bundlename com.YourCompany.CASAJORGE2
LogTemp: CWD: C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\IOS
LogTemp: Initial Dir: C:\Program Files\Epic Games\UE_4.18
LogTemp: Env CWD: C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\IOS
LogTemp: BranchPath = PHANTOM/C/Program Files/Epic Games/UE_4.18/Engine/Binaries — GameBranchPath = PHANTOM/C/Program Files/Epic Games/UE_4.18/Engine/Binaries
LogTemp: IPP ERROR: Could not find provision directory ‘C:\Users\C?sar de la Mora\AppData\Local/Apple Computer/MobileDevice/Provisioning Profiles/’.
LogTextFormatter: Warning: Failed to parse argument “0 '{0” as a number (using “0” as a fallback). Please check your format string for errors: “Ninguna imagen en '{0 ‘{0}’ ({1}x{2})”.
LogSlate: Only BGRA pngs, bmps or icos are supported in by External Image Picker
LogTemp: Executing iPhonePackager certificates Engine -bundlename com.YourCompany.CASAJORGE2
LogTemp: CWD: C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\IOS
LogTemp: Initial Dir: C:\Program Files\Epic Games\UE_4.18
LogTemp: Env CWD: C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\IOS
LogTemp: BranchPath = PHANTOM/C/Program Files/Epic Games/UE_4.18/Engine/Binaries — GameBranchPath = PHANTOM/C/Program Files/Epic Games/UE_4.18/Engine/Binaries
LogTemp: IPP ERROR: Could not find provision directory ‘C:\Users\C?sar de la Mora\AppData\Local/Apple Computer/MobileDevice/Provisioning Profiles/’.
UATHelper: Empaquetado (Windows (64-bit)): Running AutomationTool…
UATHelper: Empaquetado (Windows (64-bit)): Parsing command line: -ScriptsForProject=“D:/Documentos/Unreal Projects/CASAJORGE2/CASAJORGE2.uproject” BuildCookRun -nocompile -nocompileeditor -installed -nop4 -project=“D:/Documentos/Unreal Projects/CASAJORGE2/CASAJORGE2.uproject” -cook -stage -archive -archivedirectory=“D:/Documentos/Casa Arauca” -package -clien
tconfig=Shipping -ue4exe=UE4Editor-Cmd.exe -compressed -prereqs -distribution -nodebuginfo -targetplatform=Win64 -build -utf8output
UATHelper: Empaquetado (Windows (64-bit)): Setting up ProjectParams for D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject
UATHelper: Empaquetado (Windows (64-bit)): ********** BUILD COMMAND STARTED **********
UATHelper: Empaquetado (Windows (64-bit)): Running: C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\UnrealBuildTool.exe CASAJORGE2 Win64 Shipping -Project=“D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject” “D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject” -NoUBTMakefiles -remoteini=“D:\Documentos\Unreal Projects\CASAJORG
E2” -skipdeploy -noxge -generatemanifest -NoHotReload
UATHelper: Empaquetado (Windows (64-bit)): Took 1.1871396s to run UnrealBuildTool.exe, ExitCode=0
UATHelper: Empaquetado (Windows (64-bit)): Running: C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\UnrealBuildTool.exe CASAJORGE2 Win64 Shipping -Project=“D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject” “D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject” -NoUBTMakefiles -remoteini=“D:\Documentos\Unreal Projects\CASAJORG
E2” -skipdeploy -noxge -NoHotReload -ignorejunk
UATHelper: Empaquetado (Windows (64-bit)): ERROR: Windows SDK v8.1 must be installed in order to build this target.
UATHelper: Empaquetado (Windows (64-bit)): Took 4.2711005s to run UnrealBuildTool.exe, ExitCode=5
UATHelper: Empaquetado (Windows (64-bit)): ERROR: Command failed (Result:5): C:\Program Files\Epic Games\UE_4.18\Engine\Binaries\DotNET\UnrealBuildTool.exe CASAJORGE2 Win64 Shipping -Project=“D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject” “D:\Documentos\Unreal Projects\CASAJORGE2\CASAJORGE2.uproject” -NoUBTMakefiles -remoteini=“D:\Documentos
\Unreal Projects\CASAJORGE2” -skipdeploy -noxge -NoHotReload -ignorejunk. See logfile for details: ‘UnrealBuildTool-2018.02.07-18.09.42.txt’
UATHelper: Empaquetado (Windows (64-bit)): (see C:\Users\César de la Mora\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.18\UAT_Log.txt for full exception trace)
UATHelper: Empaquetado (Windows (64-bit)): AutomationTool exiting with ExitCode=5 (5)
UATHelper: Empaquetado (Windows (64-bit)): BUILD FAILED