Fatal error: Uncaught Error: Class "Core\App" not found in /var/www/html/clases24_25/EjerciciosPHP/Crud3RutasAmigables/MVC/start.php:6 Stack trace: #0 {main} thrown in /var/www/html/clases24_25/EjerciciosPHP/Crud3RutasAmigables/MVC/start.php on line 6