TheOnlyMatt

You have to set a valid provisionning profile corresponding to your app's bundle identifier, having previously enabled the push notifications for the app in the apple developper account.

Ok good, I didn't noticed, but you have a little button "fix issue" on your screenshot. It will add `aps-environmentdevelopment` to platforms/ios/YourAppName/YourAppName.entitlements file. After that, copy that file to your...