Ошибка при подключении Google Drive

<?php
require_once 'src/Google_Client.php';
require_once 'src/contrib/Google_DriveService.php';
 
 
$client = new Google_Client();
// Get your credentials from the console
$client->setClientId(*****');
$client->setClientSecret('****');
$client->setRedirectUri('http://mysite.com');
$client->setScopes(array('https://www.googleapis.com/auth/drive'));
$gdrive = new Google_DriveService($client);
 
$url = $client->createAuthUrl();
 
file_put_contents('token.json', $client->authenticate());
 
 
 
 
$client->setAccessToken(file_get_contents('token.json'));
 
$doc = new Google_DriveFile();
 
$doc->setTitle('Test Document');
$doc->setDescription('Test description');
$doc->setMimeType('text/plain');
 
$content = file_get_contents('document.txt');
 
$output = $gdrive->files->insert($doc, array(
      'data' => $content,
      'mimeType' => 'text/plain',
    ));