I, too, am getting a Mescal Failed error in Xcode 14.0 beta 3, on an iPhone 13 Pro Simulator running iOS 16.0.
Running on iPhone hardware isn't an option at the moment since iOS 16 dropped iPod Touch support :-(
2022-07-23 16:57:21.378850-0400 WeatherWhereWhen[6919:297098] [WeatherService] Encountered an error when fetching weather data subset; location=<+42.27033310,-71.65005180> +/- 0.00m (speed -1.00 mps / course -1.00) @ 7/23/22, 4:57:21 PM Eastern Daylight Time, error=Error Domain=AMSErrorDomain Code=12 "Mescal Failed" UserInfo={NSLocalizedDescription=Mescal Failed, NSLocalizedFailureReason=SAPInit failed: -42049}