react-native run-ios Could not find iPhone X simulator | XRPackageModel 9.0.omo

Question

I first started my project with Expo and ejected it. Now, I\'m trying to run the command react-native run-ios and it comes back with this error:

CoreData:

Answer 1

use this.

react-native run-ios --simulator="iPhone 8"

Answer 2

This issue:

https://github.com/react-native-community/cli/pull/414

was fixed on @react-native-community/cli v1.9.8:

https://github.com/react-native-community/cli/releases/tag/v1.9.8

A bump in your yarn.lock to some version over 1.9.8 should fix it.