Firebase error?

Default FirebaseApp is not initialized in this process Make sure to call FirebaseApp.initializeApp(Context) first

error solution ?
when i add notifier to check it give error firebaseapp name [DEFAULT] Alerady exists !

Subscribe to FCM once SDK Initialised Well

See Video
FCM [Firebase Cloud Messaging] | Android Builder | Neo Developer | In Hindi - YouTube

via : @im_neodeveloper

no , its not a solution i tried but not solved actually i made this by neodevloper video

@Patelsahab Then Post Error Screenshot below that Post / Guide on FCM

Why Creating New Post?

Just Upload Your aia or Post Error Screenshots too

If everything is ok from json file?

Set :

When screen initialized
Set firebase core appname to true