Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\mailbox-component\DependencyInjection\UVDeskExtension.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\mailbox-component\DependencyInjection\UVDeskExtension.php on line 10