Error: Could not build Objective-C module 'Firebase' with Swift 5
问题 I want to use Firebase with Swift 5, but error message appears. Could not build Objective-C module 'Firebase' I tried all resolutions on below pages, but I can't solve it: Error: Could not build Objective-C module 'Firebase' https://github.com/firebase/quickstart-ios/issues/672 import UIKit import Firebase @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: