Fatal error: Uncaught Error: Class "Facebook\WebDriver\Exception\WebDriverException" not found in /home/users/magento/public_html/magento2/vendor/php-webdriver/webdriver/lib/Exception/TimeoutException.php:8 Stack trace: #0 /home/users/magento/public_html/magento2/vendor/composer/autoload_real.php(41): require() #1 /home/users/magento/public_html/magento2/vendor/composer/autoload_real.php(45): {closure}('2a3c2110e8e0295...', '/home/users/mag...') #2 /home/users/magento/public_html/magento2/vendor/autoload.php(25): ComposerAutoloaderInitf62dd06b28b04f105525a5d08dae19d0::getLoader() #3 /home/users/magento/public_html/magento2/app/autoload.php(51): include('/home/users/mag...') #4 /home/users/magento/public_html/magento2/app/bootstrap.php(44): require_once('/home/users/mag...') #5 /home/users/magento/public_html/magento2/pub/index.php(33): require('/home/users/mag...') #6 {main} thrown in /home/users/magento/public_html/magento2/vendor/php-webdriver/webdriver/lib/Exception/TimeoutException.php on line 8