Fatal error: Uncaught Error: Class 'Facebook\WebDriver\Remote\Service\DriverService' not found in /home/www/cookbook/vendor/php-webdriver/webdriver/lib/Firefox/FirefoxDriverService.php:7 Stack trace: #0 {main} thrown in /home/www/cookbook/vendor/php-webdriver/webdriver/lib/Firefox/FirefoxDriverService.php on line 7