MonoTouchDesignServerUnified quit unexpectedly

Question

Hello I am creating a iOS application using Xamarin and the most recent version of Visual Studio for Mac.

I keep getting an alert box error whenever I run the simulator that states:

MonoTouchDesignServerUnified quit unexpectedly.

The error report says:

Application Specific Information: abort() called CoreSimulator 375.21 - Device: iPad Air - Runtime: iOS 10.3 (14E269) - DeviceType: iPad Air

How do I get rid of this error?

Answer 1

Open the storyboard file as text and remove the "Device" element from the top of the storyboard. Looks like:

<device id="retina4_0" orientation="portrait">
    <adaptation id="fullscreen"/>
</device>

Save the changes, go to Visual Studio, make a build "Clean all" and then try to open again your storyboard