Fatal error: Uncaught Error: Class "Symfony\Component\Security\Http\Firewall\AbstractListener" not found in /home/pataplou/www/patrick/pataplouf/vendor/symfony/security-http/Firewall/SwitchUserListener.php:40 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/symfony/security-http/Firewall/SwitchUserListener.php on line 40