Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Authentication\Token\AbstractToken" not found in /home/marcgron/www/SSA/v2/vendor/symfony/framework-bundle/Test/TestBrowserToken.php:22 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/framework-bundle/Test/TestBrowserToken.php on line 22