How to solve Firebase API initialization failure (Android + Firebase)

Question

I recently needed to use Google GCM in my project. From its website it is said:

Firebase Cloud Messaging (FCM) is the new version of GCM. It inherits

Answer 1

For me a completely unrelated import caused this error compile 'com.aurelhubert:ahbottomnavigation:1.3.3' When I removed it everything was fine