Fatal error: Uncaught Error: Class "Twig\Extension\AbstractExtension" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\twig-bridge\Extension\CsrfExtension.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\twig-bridge\Extension\CsrfExtension.php on line 21