Build is successful, IOS XS simulator starts, Watch simulator starts and processes for several seconds then crash from app delegate applicationdidFinishLaunching. ?? had been working for many days before this suddenly happened, reverted rto previous commit and same problem persists.
???
Details
2019-02-21 08:05:14.531403-0800 Watch Extension[5178:3686925] [default] -[SPApplicationDelegate application:_didFinishLaunchingWithOptions:]_block_invoke:772: Error - unable to find interface description file Interface.plist for com.raywenderlich.AirAber.watchkitapp in NSBundle </Users/utterjack/Library/Developer/CoreSimulator/Devices/0C7DFEE9-628A-4E64-9F88-A5A02426AD1F/data/Containers/Bundle/Application/F2232D34-43BF-4AA2-8F53-33B360A6B908/Watch.app> (not yet loaded). Exiting