Bearer key is a your app key in the firebase messaging
Do you mean this? I have used this too but it gives the same error
Check firebase setup on your app
what is firebase setup for notification can you give me a link for checking?
Is your problem solved?
NO . i download google-services.json again but still it is not working
You need to refresh token
Where should I get the refresh token ?
You did not use the firebase messages package?
do you mean this line? i used this token but it has the same result.
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