Fatal error: Uncaught Error: Class 'Symfony\Component\BrowserKit\AbstractBrowser' not found in /home/users/00/3c/21/home/www/vendor/symfony/http-kernel/Client.php:31 Stack trace: #0 {main} thrown in /home/users/00/3c/21/home/www/vendor/symfony/http-kernel/Client.php on line 31