crashing after fresh install about laravel-fcm HOT 9 CLOSED

D:\>php artisan vendor:publish
Copied Directory [\vendor\laravel\framework\src\Illuminate\Notifications\resources\views] To [\resources\views\vendor\notifications]
Copied Directory [\vendor\laravel\framework\src\Illuminate\Pagination\resources\views] To [\resources\views\vendor\pagination]
Copied Directory [\vendor\laravel\passport\resources\views] To [\resources\views\vendor\passport]
Copied Directory [\vendor\laravel\passport\resources\assets\js\components] To [\resources\assets\js\components\passport]
Copied Directory [\vendor\laravel\framework\src\Illuminate\Mail\resources\views] To [\resources\views\vendor\mail]
Publishing complete.

return [
    'driver' => env('FCM_PROTOCOL', 'http'),
    'log_enabled' => true,

    'http' => [
        'server_key' => env('FCM_SERVER_KEY', 'Your FCM server key'),
        'sender_id' => env('FCM_SENDER_ID', 'Your sender id'),
        'server_send_url' => 'https://fcm.googleapis.com/fcm/send',
        'server_group_url' => 'https://android.googleapis.com/gcm/notification',
        'timeout' => 30.0, // in second
    ],
];

....
        /*
         * Package Service Providers...
         */
        Laravel\Tinker\TinkerServiceProvider::class,
        Laravel\Passport\PassportServiceProvider::class,

        /*
         * Application Service Providers...
         */
        App\Providers\AppServiceProvider::class,
        App\Providers\AuthServiceProvider::class,
        // App\Providers\BroadcastServiceProvider::class,
        App\Providers\EventServiceProvider::class,
        App\Providers\RouteServiceProvider::class,

        LaravelFCM\FCMServiceProvider::class,
    ],

....
        'URL' => Illuminate\Support\Facades\URL::class,
        'Validator' => Illuminate\Support\Facades\Validator::class,
        'View' => Illuminate\Support\Facades\View::class,
        'FCM'      => LaravelFCM\Facades\FCM::class,
        'FCMGroup' => LaravelFCM\Facades\FCMGroup::class, // Optional
    ],

<?php

/*
|--------------------------------------------------------------------------
| Create The Application
|--------------------------------------------------------------------------
|
| The first thing we will do is create a new Laravel application instance
| which serves as the "glue" for all the components of Laravel, and is
| the IoC container for the system binding all of the various parts.
|
*/

$app = new Illuminate\Foundation\Application(
    realpath(__DIR__.'/../')
);

/*
|--------------------------------------------------------------------------
| Bind Important Interfaces
|--------------------------------------------------------------------------
|
| Next, we need to bind some important interfaces into the container so
| we will be able to resolve them when needed. The kernels serve the
| incoming requests to this application from both the web and CLI.
|
*/

$app->singleton(
    Illuminate\Contracts\Http\Kernel::class,
    App\Http\Kernel::class
);

$app->singleton(
    Illuminate\Contracts\Console\Kernel::class,
    App\Console\Kernel::class
);

$app->singleton(
    Illuminate\Contracts\Debug\ExceptionHandler::class,
    App\Exceptions\Handler::class
);

$app->register(LaravelFCM\FCMServiceProvider::class);

class_alias(\LaravelFCM\Facades\FCM::class, 'FCM');
class_alias(\LaravelFCM\Facades\FCMGroup::class, 'FCMGroup');

/*
|--------------------------------------------------------------------------
| Return The Application
|--------------------------------------------------------------------------
|
| This script returns the application instance. The instance is given to
| the calling script so we can separate the building of the instances
| from the actual running of the application and sending responses.
|
*/

return $app;

use LaravelFCM\Facades\FCM;
use LaravelFCM\Message\OptionsBuilder;
use LaravelFCM\Message\PayloadDataBuilder;
use LaravelFCM\Message\PayloadNotificationBuilder;

public static function sendMessageToToken($users, $message) {
        $tokens = [];
        foreach ($users as $user) {
            foreach ($user->fcmTokens as $token)
                $tokens[] = $token;
        }
        $tokens[] = "dFQwbIxI3J0:APA91bFzXpm4atxAYvZLfZsx78kCI711";

        $optionBuiler = new OptionsBuilder();
        $optionBuiler->setTimeToLive(60*20);

        $notificationBuilder = new PayloadNotificationBuilder('AgendaF1');
        $notificationBuilder->setBody($message)->setSound('default');

        $dataBuilder = new PayloadDataBuilder();
        $dataBuilder->addData(['a_data' => 'my_data']);   

        $option = $optionBuiler->build();
        $notification = $notificationBuilder->build();
        $data = $dataBuilder->build();

        $downstreamResponse = FCM::sendTo($tokens, $option, $notification, $data);

        return $downstreamResponse->numberSuccess();

//        $downstreamResponse->numberFailure();
//        $downstreamResponse->numberModification();
//
////return Array - you must remove all this tokens in your database
//        $downstreamResponse->tokensToDelete();
//
////return Array (key : oldToken, value : new token - you must change the token in your database )
//        $downstreamResponse->tokensToModify();
    }

RequestException in CurlFactory.php line 187:
cURL error 60: SSL certificate problem: unable to get local issuer certificate (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)
in CurlFactory.php line 187
at CurlFactory::createRejection(object(EasyHandle), array('errno' => 60, 'error' => 'SSL certificate problem: unable to get local issuer certificate', 'url' => 'https://fcm.googleapis.com/fcm/send', 'content_type' => null, 'http_code' => 0, 'header_size' => 0, 'request_size' => 0, 'filetime' => -1, 'ssl_verify_result' => 20, 'redirect_count' => 0, 'total_time' => 0.188, 'namelookup_time' => 0.063, 'connect_time' => 0.078, 'pretransfer_time' => 0, 'size_upload' => 0, 'size_download' => 0, 'speed_download' => 0, 'speed_upload' => 0, 'download_content_length' => -1, 'upload_content_length' => -1, 'starttransfer_time' => 0, 'redirect_time' => 0, 'redirect_url' => '', 'primary_ip' => '216.58.202.10', 'certinfo' => array(), 'primary_port' => 443, 'local_ip' => '192.168.25.8', 'local_port' => 58176)) in CurlFactory.php line 150
at CurlFactory::finishError(object(CurlHandler), object(EasyHandle), object(CurlFactory)) in CurlFactory.php line 103
at CurlFactory::finish(object(CurlHandler), object(EasyHandle), object(CurlFactory)) in CurlHandler.php line 43
at CurlHandler->__invoke(object(Request), array('synchronous' => true, 'timeout' => 30, 'handler' => object(HandlerStack), 'allow_redirects' => array('max' => 5, 'protocols' => array('http', 'https'), 'strict' => false, 'referer' => false, 'track_redirects' => false), 'http_errors' => true, 'decode_content' => true, 'verify' => true, 'cookies' => false)) in Proxy.php line 28
at Proxy::GuzzleHttp\Handler\{closure}(object(Request), array('synchronous' => true, 'timeout' => 30, 'handler' => object(HandlerStack), 'allow_redirects' => array('max' => 5, 'protocols' => array('http', 'https'), 'strict' => false, 'referer' => false, 'track_redirects' => false), 'http_errors' => true, 'decode_content' => true, 'verify' => true, 'cookies' => false)) in Proxy.php line 51
at Proxy::GuzzleHttp\Handler\{closure}(object(Request), array('synchronous' => true, 'timeout' => 30, 'handler' => object(HandlerStack), 'allow_redirects' => array('max' => 5, 'protocols' => array('http', 'https'), 'strict' => false, 'referer' => false, 'track_redirects' => false), 'http_errors' => true, 'decode_content' => true, 'verify' => true, 'cookies' => false)) in PrepareBodyMiddleware.php line 72
at PrepareBodyMiddleware->__invoke(object(Request), array('synchronous' => true, 'timeout' => 30, 'handler' => object(HandlerStack), 'allow_redirects' => array('max' => 5, 'protocols' => array('http', 'https'), 'strict' => false, 'referer' => false, 'track_redirects' => false), 'http_errors' => true, 'decode_content' => true, 'verify' => true, 'cookies' => false)) in Middleware.php line 30
at Middleware::GuzzleHttp\{closure}(object(Request), array('synchronous' => true, 'timeout' => 30, 'handler' => object(HandlerStack), 'allow_redirects' => array('max' => 5, 'protocols' => array('http', 'https'), 'strict' => false, 'referer' => false, 'track_redirects' => false), 'http_errors' =>