I got this error after an update of Android Gradle plugin and Android Studio.
I have checked this question (Android Studio build.gradle warning message), but I am not ab
just go to your app>> "Gradle Scripts" and open build.gradle(Project:"your project name") and change this line (classpath 'com.google.gms:google-services:3.1.0') to (classpath 'com.google.gms:google-services:3.2.0'). current version 4.0.1