Building for Android throws errors

Hi… i have this error output when building for Android, what could it be?
I already rebuilt the whole engine + my game… but same happens.

thanks.

UATHelper: Packaging (Android (ASTC)): Running AutomationTool...
UATHelper: Packaging (Android (ASTC)): Parsing command line: -ScriptsForProject=C:/Entorno/Proyectos/UnrealEngine/P7/P7.uproject BuildCookRun -nocompileeditor -nop4 -project=C:/Entorno/Proyectos/UnrealEngine/P7/P7.uproject -cook -stage -archive -archivedirectory=C:/Users/master/Desktop -package -ue4exe=C:\Entorno\Frameworks\UE427\Engine\Binaries\Win64\UE4Edi
tor-Cmd.exe -compressed -ddc=DerivedDataBackendGraph -pak -prereqs -nodebuginfo -targetplatform=Android -cookflavor=ASTC -build -target=P7 -clientconfig=Development -utf8output -compile
UATHelper: Packaging (Android (ASTC)): Dependencies are out of date. Compiling scripts....
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(45,54): error CS1002: Se esperaba ; [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(45,87): error CS1519: El token '(' no es v�lido en una clase, struct o declaraci�n de miembro de interfaz [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(51,57): error CS1002: Se esperaba ; [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(51,90): error CS1519: El token '(' no es v�lido en una clase, struct o declaraci�n de miembro de interfaz [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(71,37): error CS1002: Se esperaba ; [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(71,44): error CS1519: El token ';' no es v�lido en una clase, struct o declaraci�n de miembro de interfaz [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(92,49): error CS1002: Se esperaba ; [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]
UATHelper: Packaging (Android (ASTC)):   BuildCMakeLib.Automation.cs(93,46): error CS1001: Se esperaba un identificador [C:\Entorno\Frameworks\UE427\Engine\Source\Programs\AutomationTool\Scripts\AutomationScripts.Automation.csproj]