Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Controller\AbstractController" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\mailbox-component\Controller\MailboxChannelXHR.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\mailbox-component\Controller\MailboxChannelXHR.php on line 14