Error 52102
Product: Notifications
Error - 52102
Invalid GCM/FCM registration token
Possible Causes
- Invalid GCM/FCM registration token provided via the Android SDK or the REST API.
Possible Solutions
- Make sure you do not modify the registration token before providing it to Twilio via the SDK or the REST API.
- If you are using a command line tool to provide the registration token, make sure that it is URL-encoded.
