[firebase_crashlytics] build on ios throws: Could not get GOOGLE_APP_ID in Google Services file from build environment

[RafaelR7]

Hi, I was upgrading the crashlytics, I was following the Migration Guide
It worked on Android, but not on iOS, I followed the steps of the guide, but still got the error: Could not get GOOGLE_APP_ID in Google Services file from build environment, I'm using the same flutterfire package's version recommended on the guide:

 firebase_core: ^0.5.0+1
 cloud_firestore: ^0.14.1+3
 firebase_auth: ^0.18.1+2
 firebase_analytics: ^5.0.0
 cloud_functions: ^0.7.0-dev.2
 firebase_storage: ^5.0.0-dev.3
 firebase_crashlytics: ^0.2.1+1 
 firebase_messaging: ^7.0.2 

I tried deleting the Podfile.lock, flutter clean, moving the script ${PODS_ROOT}/FirebaseCrashlytics/run before copying the googleService-info.plist, but still get the same error, does anyone know how to solve this error?