mapdev\FacebookMessenger\Exceptions\CouldNotSendNotification::couldNotCommunicateWithFacebook PHP Метод

    public static function couldNotCommunicateWithFacebook(Exception $exception)
    {
        return new static('The communication with Facebook failed. Reason: ' . $exception->getMessage());
    }

 public function callApi($path, $data, $type = self::POST, $json = true)
 {
     if (!$this->checkToken()) {
         throw CouldNotSendNotification::invalidFacebookToken();
     }
     try {
         if ($json) {
             $response = $this->client->request($type, $this->api_url . $path, ['query' => ['access_token' => $this->token], 'json' => $data]);
         } else {
             $data['access_token'] = $this->token;
             $response = $this->client->request($type, $this->api_url . $path, ['query' => $data]);
         }
         if ($response->getStatusCode() == 200) {
             return json_decode($response->getBody());
         } else {
             throw CouldNotSendNotification::invalidStatusCode($response->getStatusCode());
         }
     } catch (ClientException $ex) {
         throw CouldNotSendNotification::facebookResponseError($ex);
     } catch (\Exception $ex) {
         throw CouldNotSendNotification::couldNotCommunicateWithFacebook($ex);
     }
 }