Fatal error: Uncaught Error: Class "ExamenCrud\Core\Model" not found in /var/www/dwese-2023-24-salazaralejandro/PHP/ExamenCrud/app/models/Series.php:8 Stack trace: #0 {main} thrown in /var/www/dwese-2023-24-salazaralejandro/PHP/ExamenCrud/app/models/Series.php on line 8