Fatal error: Uncaught Error: Class "app\core\App" not found in /var/www/html/php25-26/Tema_3/mvc/crud4/start.php:5 Stack trace: #0 /var/www/html/php25-26/Tema_3/mvc/crud4/public/index.php(3): require() #1 {main} thrown in /var/www/html/php25-26/Tema_3/mvc/crud4/start.php on line 5