Fatal error: Uncaught Error: Class "Symfony\Component\Security\Http\Firewall\AbstractListener" not found in C:\laragon\www\newProject.SymfonyUser\vendor\symfony\security-http\Firewall\ChannelListener.php:28 Stack trace: #0 {main} thrown in C:\laragon\www\newProject.SymfonyUser\vendor\symfony\security-http\Firewall\ChannelListener.php on line 28