ive worked my way through the guides to integrate admobs into Xcode and when I finally test it on the simulator I get this error code and nothing happens: Exception NSException * "The Google Mobile Ads SDK was initialized without AppMeasurement" when I go to the terminal it says this is already installed. what should I do to fix this? thank you!

ive added ad mobs to Xcode and when I used the temporary ad code I get this error. when I run the app in simulator nothing loads in. does anyone have any suggestions?     //Initialize Firebase         FirebaseApp.configure()                  //Initialize Admob         GADMobileAds.configure(withApplicationID:"ca-app-pub-3940256099942544/2934735716")                  return true the error code says : configure (with application ID) is Depreciated

I have an Xcode project and im integrating admobs to it and as a part of that ive used firebase and cocoa pods. after finding the Xcode project on the terminal and making the changes to the pod file when type 'pod install' as the tutorial tells me too I get this error code: [!] Invalid Podfile file: undefined method `Pod' for #Pod::Podfile:0x00007fcd953068c0. has anyone had this before and what can I do to resolve this?

ive been working to integrate admobs to Xcode through the use of a tutorial online but ive noticed that when I open a new Xcode project there isn't a file called 'Appdelegate.swift' on the tutorial im watching the guy does have this file when he first opens it so im wondering how I can add it or what im doing wrong? many thanks George