Xamarin.ios designer System.AggregateException: One or more errors occurred

Question

I am trying to open my Main.Storyboard in visual studio for mac, and i am getting 'System.AggregateException: One or more errors occurred'. Note that i happened after upgrading Visual Studio to 7.3, the latest up to now and X Code to 9.2, also the latest available to now. I am getting the following error screen

I have exactly the same problem. Tried restarting, reinstalling Visual Studio, makes no difference. — sheltond
– sheltond, Commented Dec 31, 2017 at 11:01

sheltond · Accepted Answer · 2017-12-31 12:41:55Z

1

As I commented above, I have been having exactly the same problem for a week or two.

Originally, Visual Studio was installed under a non-admin user account (using an administrator password where prompted).

I eventually did a complete uninstall using the script mentioned here, and then reinstalled from scratch using an administrator account. This seems to have fixed the problem.

It seems that something failed silently during the earlier installation. I was a bit suspicious because the Visual Studio app didn't have its own icon - it was using the standard MacOSX document icon. Having reinstalled, it has the correct purple icon.

answered Dec 31, 2017 at 12:41

sheltond

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