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Failed to load solution after upgrading to Xamarin Studio 6

I recently updated Xamarin Studio to the latest version, and now I can’t download my solution!

After opening the solution, the following error is displayed:

enter image description here

I looked through the logs and see the following:

System.InvalidOperationException: Already bound to project

Has anyone seen a similar error, or does anyone have a solution?

Thanks!

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2 answers

This error appears to be related to the following Xamarin error message:

https://bugzilla.xamarin.com/show_bug.cgi?id=41565

If you can try the following workaround, it should allow you to open the project.

  • Backup solution
  • Open each .csproj file associated with the extension (e.g. WatchKit or Today)
  • Find the "ProjectTypeGuids" section
  • Remove the key "FEACFBD2-3405-455C-9665-78FE426C6842"
  • Save file
  • Trying to open a solution.

That should solve it for iOS

This also affects Android projects that contain bindings. For instance:

Given a test project (Test.csproj) with two ProjectTypesGUIDs: {EFBA0AD7-5A72-4C68-AF49-83D382785DCF} and {10368E6C-D01B-4462-8E8B-01FC667A7035}, the project cannot load. This is because the first identifier corresponds to a regular Android project. The second is for the Android binding library project. The problem can be solved by removing the GUID {EFBA0AD7-5A72-4C68-AF49-83D382785DCF} from .csproj

The fix for Android is similar to the above. If the project contains both ProjectTypesGUID: {EFBA0AD7-5A72-4C68-AF49-83D382785DCF}, and {10368E6C-D01B-4462-8E8B-01FC667A7035}, perform the following steps

  • Bring the solution up
  • Open the .csproj file
  • Find the "ProjectTypeGuids" section
  • Remove the key "EFBA0AD7-5A72-4C68-AF49-83D382785DCF"
  • Save file
  • Trying to open a solution.

Thanks!

Hope this helps :)

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My xamarin project was done in windows, I copy Mac. But could not open the same error. I dissolve in it. Open the solution from the windows of the visual studio. and right-click and then open xxmanager (I don’t know the name of the English menu, short abbreviation, possibly “o”) and check the IOS build. and copy all solutions and project files to the MAC. Then repeat the open solution. good luck

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