Erreur Google AdMob après la mise à jour vers Xcode 11 Swift 5.1

Depuis que j'ai mis à jour vers Xcode 11, les annonces interstitielles de mon application ne se chargent plus. (Avant cela, tout fonctionnait bien. L'application a même été publiée sur l'App Store. Nous créons maintenant une version mise à jour de l'application)

J'ai installé le SDK Google AdMobs via Cocoapods et l'ai mis à jour vers la dernière version. Toujours pas de succès. (J'ai suivi toutes les étapes du tutoriel de Google, comment mettre en œuvre des publicités interstitielles) Ce sont les messages d'erreur que je reçois de la console:

    2019-10-10 21:42:35.543249+0100 BuszZer[76592:876619] <Google> To get test ads on this device, set: request.testDevices = @[ kGADSimulatorID ];
    2019-10-10 21:42:35.599222+0100 BuszZer[76592:876796] [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.}
    2019-10-10 21:42:35.599426+0100 BuszZer[76592:876796] [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.}
    2019-10-10 21:42:35.599610+0100 BuszZer[76592:876787] [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.}
    2019-10-10 21:42:35.600170+0100 BuszZer[76592:876787] [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.}
    2019-10-10 21:42:35.600215+0100 BuszZer[76592:876796] [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.}
    2019-10-10 21:42:35.601185+0100 BuszZer[76592:876787] [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.}
    2019-10-10 21:42:35.601435+0100 BuszZer[76592:876796] [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.}
    2019-10-10 21:42:35.608414+0100 BuszZer[76592:876619] [plugin] AddInstanceForFactory: No factory registered for id <CFUUID 0x60000360a1a0> F8BB1C28-BAE8-11D6-9C31-00039315CD46
    2019-10-10 21:42:35.610662+0100 BuszZer[76592:876789]  - <Google>[I-ACS025031] AdMob App ID changed. Original, new: (nil), ca-app-pub-9056820091768756~5451481231
    2019-10-10 21:42:35.611337+0100 BuszZer[76592:876789]  - <Google>[I-ACS023007] Analytics v.60102000 started
    2019-10-10 21:42:35.611517+0100 BuszZer[76592:876789]  - <Google>[I-ACS023008] To enable debug logging set the following application argument: -APMAnalyticsDebugEnabled (see https://help.apple.com/xcode/mac/8.0/#/dev3ec8a1cb4)

Quelqu'un a-t-il des problèmes ou des expériences similaires et sait comment les résoudre? Toute aide est appréciée. Merci beaucoup!

Essayez d'exécuter cette commande dans un terminal:

xcrun simctl spawn booted log config \
   --mode "level:off" \
   --subsystem com.apple.CoreTelephony