Web Push has a method for requesting a new token when a token is expired or changed for whatever reason. With Cordova a way to remove/update an expired token needs to be implemented in order to avoid a build up of useless tokens in MongoDB. This does not prevent sending messages to valid tokens.
FCM Sending Error: {
"code": "messaging/registration-token-not-registered",
"message": "Requested entity was not found."
}
Web Push has a method for requesting a new token when a token is expired or changed for whatever reason. With Cordova a way to remove/update an expired token needs to be implemented in order to avoid a build up of useless tokens in MongoDB. This does not prevent sending messages to valid tokens.