Application output error

gistfile1.txt

error MT1108: Could not find developer tools for this 10.0.2 (14A456) device. Please ensure you are using a compatible Xcode version and then connect this device to Xcode to install the development support files.
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  at Xamarin.Utils.NSRunLoopExtensions.RunUntilTaskCompletion[T] (Foundation.NSRunLoop this, System.Threading.Tasks.Task`1[TResult] task) [0x00082] in /Users/builder/data/lanes/1381/7571635e/source/maciostools/Xamarin.Hosting/Xamarin.Utils/Extensions.cs:35 
  at Xamarin.Launcher.Driver.Main2 (System.String[] args) [0x00a90] in /Users/builder/data/lanes/1381/7571635e/source/maciostools/Xamarin.Hosting/Xamarin.Launcher/Main.cs:429 
  at Xamarin.Launcher.Driver.Main (System.String[] args) [0x0006d] in /Users/builder/data/lanes/1381/7571635e/source/maciostools/Xamarin.Hosting/Xamarin.Launcher/Main.cs:139 
. Please check the logs for more details.
The app has been terminated.
Loaded assembly: /private/var/containers/Bundle/Application/0046666D-7EDE-43B8-9BED-B5E7A1CFC175/ImageInverter.app/Frameworks/Xamarin.Sdk.framework/MonoBundle/.monotouch-64/Xamarin.iOS.dll [External]
Loaded assembly: /private/var/containers/Bundle/Application/0046666D-7EDE-43B8-9BED-B5E7A1CFC175/ImageInverter.app/ImageInverter.exe
Thread started:  #2
2017-05-10 14:47:23.766 ImageInverter[292:23987] Cannot connect to view controller in com.your-company.ImageInverter.ImageInverterExt - Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.your-company.ImageInverter.ImageInverterExt" UserInfo={NSDebugDescription=connection to service named com.your-company.ImageInverter.ImageInverterExt} info {
    NSDebugDescription = "connection to service named com.your-company.ImageInverter.ImageInverterExt";
}
2017-05-10 14:47:29.024 ImageInverter[292:23987] Cannot connect to view controller in com.your-company.ImageInverter.ImageInverterExt - Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.your-company.ImageInverter.ImageInverterExt" UserInfo={NSDebugDescription=connection to service named com.your-company.ImageInverter.ImageInverterExt} info {
    NSDebugDescription = "connection to service named com.your-company.ImageInverter.ImageInverterExt";
}
2017-05-10 14:47:32.088 ImageInverter[292:23987] Cannot connect to view controller in com.your-company.ImageInverter.ImageInverterExt - Error Domain=NSCocoaErrorDomain Code=4097 "connection to service named com.your-company.ImageInverter.ImageInverterExt" UserInfo={NSDebugDescription=connection to service named com.your-company.ImageInverter.ImageInverterExt} info {
    NSDebugDescription = "connection to service named com.your-company.ImageInverter.ImageInverterExt";
}