Android packaging Failed

I’m working on Unreal 4.3.1 trying to build for a nexus 7 2013
My game builds perfectly for windows but won’t build for android, I get this:

LogPlayLevel:Display: UnrealBuildTool: -build-setup:

LogPlayLevel:Display: UnrealBuildTool: [getbuildtools] Using latest Build Tools: 19.0.1

LogPlayLevel:Display: UnrealBuildTool:

LogPlayLevel:Display: UnrealBuildTool: BUILD FAILED

LogPlayLevel:Display: UnrealBuildTool: C:\Android\android-sdk-windows\tools\ant\build.xml:483: The SDK Build
Tools revision (19.0.1) is too low for project ‘Reflections3’. Minimum required is 19.1.0

LogPlayLevel:Display: UnrealBuildTool:

LogPlayLevel:Display: UnrealBuildTool: Total time: 0 seconds

LogPlayLevel:Display: UnrealBuildTool: UnrealBuildTool Exception: ERROR: ant.bat failed [/c “C:\Android\apache-ant-1.8.2/bin/ant.bat” debug]

LogPlayLevel:Display: CommandUtils.Run: Run: Took 49,8599855s to run UnrealBuildTool.exe

LogPlayLevel:Display: BuildCommand.Execute: ERROR: BUILD FAILED

LogPlayLevel:Display: Program.Main: ERROR: AutomationTool terminated with exception:

LogPlayLevel:Display: Program.Main: ERROR: Exception in AutomationTool: Command failed (Result:2):
C:\Program Files\Unreal Engine\4.3\Engine\Binaries\DotNET\UnrealBuildTool.exe Reflections3 Android
Development H:\Reflections\Temp\Reflections3\Reflections3.uproject -noxge -rocket. See logfile for details:
‘UnrealBuildTool.txt’

LogPlayLevel:Display: Stacktrace: ? AutomationTool.CommandUtils.RunAndLog(String App, String CommandLine, String Logfile, Int32 MaxSuccessCode, String Input, ERunOptions Options)

LogPlayLevel:Display: ? AutomationTool.CommandUtils.RunUBT(CommandEnvironment Env, String UBTExecutable, String CommandLine, String LogName)

LogPlayLevel:Display: ? AutomationTool.UE4Build.BuildWithUBT(String ProjectName, String TargetName, UnrealTargetPlatform TargetPlatform, String Config, String UprojectPath, Boolean ForceMonolithic, Boolean ForceNonUnity, Boolean ForceDebugInfo, Boolean ForceFlushMac, Boolean DisableXGE, String InAddArgs, Boolean ForceUnity)

LogPlayLevel:Display: ? AutomationTool.UE4Build.Build(BuildAgenda Agenda, Nullable`1 InDeleteBuildProducts, Boolean InUpdateVersionFiles, Boolean InForceNoXGE, Boolean InForceNonUnity, Boolean InForceUnity)

LogPlayLevel:Display: ? Project.Build(BuildCommand Command, ProjectParams Params, Int32 WorkingCL)

LogPlayLevel:Display: ? BuildCookRun.DoBuildCookRun(ProjectParams Params)

LogPlayLevel:Display: ? BuildCommand.Execute()

LogPlayLevel:Display: ? AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)

LogPlayLevel:Display: ? AutomationTool.Automation.Process(String[] CommandLine)

LogPlayLevel:Display: ? AutomationTool.Program.MainProc(Object Param)

LogPlayLevel:Display: ? AutomationTool.InternalUtils.RunSingleInstance(MainProc Main, Object Param)

LogPlayLevel:Display: ? AutomationTool.Program.Main()

LogPlayLevel:Display: Program.Main: ERROR: Command failed (Result:2): C:\Program Files\Unreal Engine\4.3\Engine\Binaries\DotNET\UnrealBuildTool.exe Reflections3 Android Development H:\Reflections\Temp\Reflections3\Reflections3.uproject -noxge -rocket. See logfile for details: ‘UnrealBuildTool.txt’

LogPlayLevel:Display: ProcessManager.KillAll: Trying to kill 0 spawned processes.

LogPlayLevel:Display: Program.Main: AutomationTool exiting with ExitCode=1

LogPlayLevel:Display: Domain_ProcessExit

LogPlayLevel:Display: ProcessManager.KillAll: Trying to kill 0 spawned processes.

LogPlayLevel:Display: copying UAT log files…

LogPlayLevel:Display: RunUAT.bat ERROR: AutomationTool was unable to run successfully.

LogPlayLevel:Display: BUILD FAILED

don’t know how to fix it… thanks for help.

Problem was fixed updating the SDK