Getting this error, when trying to run a project:
I have the latest Xcode for Sierra installed. The next version is for High Sierra. Upgrading to High Sierra is not an option.
Did you try the xcode-select command included in the error output?
Yes, thrice.
Sorry, for not mentioning that.
Behind the scenes, Expo XDE is running some command like this:
xcrun simctl install booted </path/to/Exponent.app> which puts our Expo Client app on your simulator. If something goes wrong when we do that, then we output this error.
What happens if you run this at a terminal?
osascript -e 'id of app "Simulator"'
It should output something like com.apple.iphonesimulator. If it doesn’t then you may want to diagnose any issues with your Simulator installation.
osascript: can’t open default scripting component.
I googled that message and it looks like the recommended course of action is to reboot your computer.
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