Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractType" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\core-framework\Form\Mailbox.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\uvdesk\core-framework\Form\Mailbox.php on line 13