Fatal error: Uncaught Error: Class "Core\App" not found in /var/www/html/clases24_25/Tema_3/CRUDs/CRUD3_MVC_Extension/start.php:5 Stack trace: #0 {main} thrown in /var/www/html/clases24_25/Tema_3/CRUDs/CRUD3_MVC_Extension/start.php on line 5