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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.
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