title: Xcode 11.1 seems to break com.apple.commcenter.coretelephony.xpc
body: <p>I have upgraded to <strong>Xcode 11.1</strong> on Mojave and now the <a href="https://developers.facebook.com/docs/audience-network/ios/rewarded-video/" rel="noreferrer">Rewarded Ad example project</a> from FacebookSDK complains that com.apple.commcenter.coretelephony.xpc is not working correctly.</p>
  
  <p><strong>PodFile</strong></p>
  
  <pre><code># Uncomment the next line to define a global platform for your project
  platform :ios, '11.0'
  
  target 'testapps' do
    # Comment the next line if you don't want to use dynamic frameworks
    use_frameworks!
  
    # Pods for testapps
  
    pod 'FacebookCore'
    pod 'FacebookLogin'
    pod 'FacebookShare'
    pod 'FBSDKPlacesKit'
    pod 'FBAudienceNetwork'
  
  end
  
  </code></pre>
  
  <p><strong>Usage</strong></p>
  
  <pre class="lang-swift prettyprint-override"><code>import UIKit
  import FBAudienceNetwork
  
  class ViewController: UIViewController,FBRewardedVideoAdDelegate {
  
      var rewardedVideoAd : FBRewardedVideoAd!
      var rewardVideoid : String! = "12345678_12345678"
  
      override func viewDidLoad() {
          super.viewDidLoad()
          loadRewardedVideoAd()
          // Do any additional setup after loading the view.
      }
  
      override func didReceiveMemoryWarning() {
          super.didReceiveMemoryWarning()
      }  
  
      func loadRewardedVideoAd(){
          self.rewardedVideoAd = FBRewardedVideoAd(placementID: rewardVideoid)
          self.rewardedVideoAd.delegate = self
          self.rewardedVideoAd.load()
  
      }
  
      func showRewardedVideoAd(){
          if (self.rewardedVideoAd != nil) &amp;&amp; self.rewardedVideoAd.isAdValid {
              self.rewardedVideoAd.show(fromRootViewController: self)
          }
      }
  
      @IBAction func buttonclick(_ sender: UIButton) {
          showRewardedVideoAd()
      }
  
  
  }
  </code></pre>
  
  <p><strong>AppDelegate</strong></p>
  
  <pre class="lang-swift prettyprint-override"><code>@UIApplicationMain
  class AppDelegate: UIResponder, UIApplicationDelegate {
  
  
  
      func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -&gt; Bool {
          // Override point for customization after application launch.
          FBAdSettings.addTestDevice(FBAdSettings.testDeviceHash())
          return true
      }
      func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -&gt; Bool {
          let appId: String = "12345678"
          if url.scheme != nil &amp;&amp; url.scheme!.hasPrefix("fb\(appId)") &amp;&amp; url.host ==  "authorize" {
              return ApplicationDelegate.shared.application(app, open: url, options: options)
          }
          return false
      }
     ...
  }
  </code></pre>
  
  <p>The error message is as follows:</p>
  
  <pre><code>2019-11-22 14:22:12.043889+0900 testapps[12788:336635] &lt;Warning&gt;: You haven't set a value for FacebookAdvertiserIDCollectionEnabled. Set the flag to TRUE if you want to collect Advertiser ID for better advertising and analytics results. To request user consent before collecting data, set the flag value to FALSE, then change to TRUE once user consent is received. Learn more: https://developers.facebook.com/docs/app-events/getting-started-app-events-ios#disable-auto-events.
  2019-11-22 14:22:12.152873+0900 testapps[12788:336635] FBSDKLog: Unable to find a valid UIWindow
  2019-11-22 14:22:12.584222+0900 testapps[12788:336777] [logging] table tokens already exists in "CREATE TABLE tokens(                                                  tokenId TEXT PRIMARY KEY NOT NULL,                                                  token TEXT                                              );"
  2019-11-22 14:22:12.584479+0900 testapps[12788:336777] [logging] table events already exists in "CREATE TABLE events(                                                 eventId TEXT PRIMARY KEY NOT NULL,                                                 tokenId TEXT REFERENCES tokens ON UPDATE CASCADE ON DELETE RESTRICT,                                                 priority BIGINT,                                                 type TEXT,                                                 time DOUBLE,                                                 sessionId TEXT,                                                 sessionStartTime DOUBLE,                                                 data TEXT,                                                 attempt BIGINT                                             );"
  2019-11-22 14:22:12.606060+0900 testapps[12788:336635] [plugin] AddInstanceForFactory: No factory registered for id &lt;CFUUID 0x600000332480&gt; F8BB1C28-BAE8-11D6-9C31-00039315CD46
  2019-11-22 14:22:14.348231+0900 testapps[12788:336635] [ProcessSuspension] 0x115da8240 - ProcessAssertion::processAssertionWasInvalidated()
  2019-11-22 14:22:14.352725+0900 testapps[12788:336635] [ProcessSuspension] 0x115da82a0 - ProcessAssertion::processAssertionWasInvalidated()
  Video ad is loaded and ready to be displayed
  2019-11-22 14:22:21.641634+0900 testapps[12788:336970] [Client] Synchronous remote object proxy returned error: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.641691+0900 testapps[12788:336965] [Client] Updating selectors failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.641869+0900 testapps[12788:336965] [Client] Updating selectors after delegate addition failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.643246+0900 testapps[12788:336970] [Client] Synchronous remote object proxy returned error: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.643339+0900 testapps[12788:336965] [Client] Updating selectors failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.644317+0900 testapps[12788:336970] [Client] Synchronous remote object proxy returned error: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescriptio2019-11-22 14:22:21.644513+0900 testapps[12788:336965] [Client] Updating selectors failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  n=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.693243+0900 testapps[12788:336965] [Client] Updating selectors failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:21.695674+0900 testapps[12788:336965] [Client] Updating selectors after delegate removal failed with: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated." UserInfo={NSDebugDescription=The connection to service on pid 0 named com.apple.commcenter.coretelephony.xpc was invalidated.}
  2019-11-22 14:22:28.394554+0900 testapps[12788:336635] [ProcessSuspension] 0x115d733f0 - ProcessAssertion::processAssertionWasInvalidated()
  2019-11-22 14:22:28.481385+0900 testapps[12788:336635] [ProcessSuspension] 0x115d73450 - ProcessAssertion::processAssertionWasInvalidated()
  Rewarded Video ad video complete - this is called after a full video view, before the ad end card is shown. You can use this event to initialize your reward
  2019-11-22 14:22:44.211893+0900 testapps[12788:336635] Could not signal service com.apple.WebKit.WebContent: 113: Could not find specified service
  2019-11-22 14:22:44.212632+0900 testapps[12788:336635] Could not signal service com.apple.WebKit.Networking: 113: Could not find specified service
  2019-11-22 14:22:58.041772+0900 testapps[12788:336635] Could not signal service com.apple.WebKit.WebContent: 113: Could not find specified service
  2019-11-22 14:22:58.049248+0900 testapps[12788:336635] Could not signal service com.apple.WebKit.Networking: 113: Could not find specified service
  </code></pre>
  
  <p>Where is the wrong part of the usage? How can you solve this problem?</p>