Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\mailbox-component\Controller\MailboxChannel.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\mailbox-component\Controller\MailboxChannel.php on line 17