Fatal error: Uncaught Error: Class "Core\Model" not found in /var/www/html/clases24_25/ExamenFebrero2025Nativo/app/models/ShoppingCart.php:8 Stack trace: #0 {main} thrown in /var/www/html/clases24_25/ExamenFebrero2025Nativo/app/models/ShoppingCart.php on line 8