laravel-fcm-notification
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Client error: `POST https://fcm.googleapis.com/fcm/send ` resulted in a `401 INVALID_KEY`
"exception":"[object] (GuzzleHttp\Exception\ClientException(code: 401): Client error: POST https://fcm.googleapis.com/fcm/send
resulted in a 401 INVALID_KEY
response:
Migrate from legacy FCM APIs to HTTP v1 https://firebase.google.com/docs/cloud-messaging/migrate-v1
how should we fixed this?