Connect this device to Xcode to install development support files

I am developing an iPhone application using Monotouch. My application works well and I want to check more.

But, all of a sudden, I have this error that I have never seen before. Google could not help me, I hope you can.

error MT0000: Unexpected error - Please file a bug report at http://bugzilla.xamarin.com System.Exception: Could not find developer tools for this device. Please connect this device to Xcode to install the development support files. at MonoTouch.Installation.Device.MountDeveloperImage () [0x00000] in <filename unknown>:0 at MonoTouch.Installation.Installer.KillApplication (MonoTouch.Installation.Device d, System.String appId) [0x00000] in <filename unknown>:0 at MonoTouch.Installation.Installer+<KillApplication>c__AnonStorey7.<>m__8 (MonoTouch.Installation.Device d) [0x00000] in <filename unknown>:0 

I found this problem on Pastebin here . It's all.

Last week, everything was in order. I cleaned my project, built and rebuilt it, rebooted the system, opened Xcode, opened Views from Xcode (to load the Xcode project), nothing works. And now, none of the applications work correctly.

Perhaps this is caused by an Xcode update? Or is it caused by an iOS update (6.0.1)?

Edit: I also contacted the Xamarin Support Center. I will keep in touch.

Edit 2: Here is the answer from Xamarin support

This is a problem that we know about, and fixed this in MonoTouch 6.0.6 (which is currently in the beta channel). If you do not want to update MonoTouch 6.0.6, a workaround is published there. https://bugzilla.xamarin.com/show_bug.cgi?id=8166 , which you can use to solve the problem.

Hope this helps.

I believe MJJames is responsible for indicating the problem first. Many thanks.

I am trying to fix and return it back.

Edit 3: I changed the update channel (MonoDevelop> Check for Updates) to Beta and downloaded the beta versions of MonoTouch and MonoDevelop. And he works again. Xamarin, MJJames, thanks.

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2 answers

Xamarin will release MonoTouch 6.0.6 on the beta update channel, if you are able to launch the beta, this fixes the problem.

http://docs.xamarin.com/ios/releases/MonoTouch_6/MonoTouch_6.0#MonoTouch_6.0.6

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If you are trying to use the beta version of Xcode, you may have to manually specify Xamarin Studio. At least if you are using Xamarin Studio 5.9 or later.

From https://forums.xamarin.com/discussion/18658/xcode-6-beta :

Hi,

Yes, just change the location of the Apple SDK in Xamarin Studio Settings → Projects → SDK Location → Apple Settings Page. Click the Browse button and navigate to Xcode6-Beta5.app in the Applications folder.

Replace XCode6-Beta5-app with something more modern:

enter image description here

And then, if you get the DetectSdkLocations error message, you may need to reboot .

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