Android Studio Gradle: Error:Execution failed for task ':app:processDebugGoogleServices'. > No matching client found for package

Question

I am trying to upgrade my google play services dependencies to 8.4.0 by following the example Google gives here, but I am getting the following error (\'com.example.examplea

Answer 1

1)check the package name is the same in google-services.json file

2)make sure that no other project exist with same package name

3)make sure that there is internet access

4)try syncing project and running it again