获取Domain=com.firebase.functions Code=13时，FCMTokenProvider.getToken函数在ios swift中获取google云服务的身份验证令牌

[我正在按照配置参考获取用于Google Can服务的认证令牌，但它给出的错误域=com.firebase.functions Code=13“INTERNAL”，有人能告诉我为什么会出现此错误吗

func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String) {
    InstanceID.instanceID().instanceID { (result, error) in
        if let error = error {
            print("Error fetching remote instance ID: \(error)")
        } else if let result = result {
            print("Remote instance ID token: \(result.token)")
            FCMTokenProvider.getToken(deviceID: result.token) { (status, string, error) in
                print(status) // false
                print(string) // nil
                print(error) //Error Domain=com.firebase.functions Code=13 "INTERNAL" UserInfo={NSLocalizedDescription=INTERNAL}
            }


        }
    }
}

]