Fatal error: Uncaught Error: Class "Core\Model" not found in /var/www/dwese-2023-24-salazaralejandro/Examen_Crud/app/models/Series.php:7 Stack trace: #0 {main} thrown in /var/www/dwese-2023-24-salazaralejandro/Examen_Crud/app/models/Series.php on line 7