Menu

Expand
Rate this page:

Error 52104

Product: Notifications

Error - 52104

Mismatched GCM/FCM sender ID

Possible Causes

  • GCM/FCM API Key provided is not allowed to send notifications to the registration token.

Possible Solutions

Make sure that you are using an API Key/Secret that is allowed to send notifications to your application.

  • Add the Project number of the Google Developers Console/Firebase Console project that the API Key/Secret belongs to to the allowed sender IDs of your application
  • Alternatively use an API Key/Secret from a project that is already allowed to send notifications to your application
Rate this page:

Thank you for your feedback!

We are always striving to improve our documentation quality, and your feedback is valuable to us. How could this documentation serve you better?

Sending your feedback...
🎉 Thank you for your feedback!
Something went wrong. Please try again.

Thanks for your feedback!

Refer us and get $10 in 3 simple steps!

Step 1

Get link

Get a free personal referral link here

Step 2

Give $10

Your user signs up and upgrade using link

Step 3

Get $10

1,250 free SMSes
OR 1,000 free voice mins
OR 12,000 chats
OR more