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I am trying to send a push notification to a device, but I get this error, what does it means?, I find this note in the documentation:

The authenticated sender ID is different from the sender ID for the registration token.

but I do not really understand.

Here is this explanation in the documentation:

https://firebase.google.com/docs/reference/fcm/rest/v1/ErrorCode

KENdi
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Led Machine
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  • This answer helped me to solve the problem: https://stackoverflow.com/questions/38338179/failed-to-send-notification-from-firebase-console – Led Machine Aug 07 '18 at 12:04
  • Check the registration token you're sending the message to. Is it really associated with the project you're sending the message from? – AL. Aug 07 '18 at 13:38
  • I already solved the problem, when trying to send message directly from the "Firebase Cloud Messaging" console it was not working, so I changed the settings o the (Android) project there, sha1 fingerprint, package Name, and update the json file on Android project and it worked. – Led Machine Aug 08 '18 at 15:15

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