GCM Error=MissingRegistration sending messages via JSON

Question

I\'m testing push GCM via Fiddler

Headers:

User-Agent: Fiddler
Authorization: key=AIzaSyAkXfcuLLCZ-5n18wwO6XeJ13g-z9ja
Host: android.googleapis.com
C         


        

Answer 1

Swift 5

In my case receiver token was missing and after put the fcm receiver token its work fine for me