Phalcon\Mvc\Dispatcher\Exception: Idp\Controllers\YazilarController handler class cannot be loaded

<?php
 
/**
 * Set Locate
 */
setlocale(LC_COLLATE, 'turkish', 'tr_TR.UTF-8', 'tr_TR', 'tr');
setlocale(LC_MONETARY, 'turkish', 'tr_TR.UTF-8', 'tr_TR', 'tr');
setlocale(LC_NUMERIC, 'turkish', 'tr_TR.UTF-8', 'tr_TR', 'tr');
setlocale(LC_TIME, 'turkish', 'tr_TR.UTF-8', 'tr_TR', 'tr');
setlocale(LC_CTYPE,'en_US.utf8');
// setlocale(LC_MESSAGES,'tr_TR.utf8');
 
/**
 * Set Time Zone
 */
date_default_timezone_set('Europe/Istanbul');
 
 
/**
 * Define some useful constants
 */
define('DOT', '.');
define('DS', DIRECTORY_SEPARATOR);
define('BASE_PATH', dirname(__DIR__));
define('APP_PATH', BASE_PATH . DS. 'app');
define('PUBLIC_PATH', BASE_PATH . DS . 'public');
 
/**
 * Read the constants
 */
$config = include APP_PATH . '/config/constants.php';
 
/**
 * Read the configuration
 */
$config = include APP_PATH . '/config/config.php';
 
/**
 * Read auto-loader
 */
include APP_PATH . '/config/loader.php';
 
/**
 * Read services
 */
include APP_PATH . '/config/services.php';
 
// Debug Application
if($config->application->debug)
{
    ini_set('display_errors', 1);
    ini_set('display_startup_errors', 1);
    error_reporting(E_ALL);
 
    (new Phalcon\Debug)->listen();    
    
    /**
     * Handle the request
     */
    $application = new \Phalcon\Mvc\Application($di);
    
    echo $application->handle()->getContent();
}
else
{
    try
    {
        /**
         * Handle the request
         */
        $application = new \Phalcon\Mvc\Application($di);
 
        echo $application->handle()->getContent();
    }
    catch(Exception $e)
    {
        $di->getLogger()->error($e->getMessage());
     
        echo $e->getMessage(), '<br>';
        echo nl2br(htmlentities($e->getTraceAsString()));
        exit;
    }
}