Uncaught Error: Class 'NexusPHP\Components\Cache

bu şekilde hata alıyorum arkadaşlar. compose yüklü değilmiş onu da yükledim fakat hata almaya devam ediyorum yardımcı olabilecek varmı

core.php

<?php
if (!defined('IN_TRACKER')) {
    die('Hacking attempt!');
}

# Product
#error_reporting(E_ERROR | E_PARSE);
#ini_set('display_errors', 0);

# Dev
error_reporting(E_ALL);
ini_set('display_errors', 1);

include_once($rootpath . 'vendor/autoload.php');

$Cache = new \NexusPHP\Components\Cache(); //Load the caching class
$Cache->setLanguageFolderArray(get_langfolder_list());
define('TIMENOW', time());
$USERUPDATESET = array();

buda ilgili dizin

<?php
//Caching class (Based on file From ProjectGazelle)

namespace NexusPHP\Components;

/**
 * BaseRedis组件
 * @link https://github.com/ukko/phpredis-phpdoc/blob/master/src/Redis.php
 *
 * @method bool isConnected()
 * @method string|bool getHost()
 * @method int|bool getPort()
 * @method int|bool getDbNum()
 * @method float|bool getTimeout()

hata bu

Fatal error: Uncaught Error: Class 'NexusPHP\Components\Cache' not found in /home/turknova.net/public_html/include/core.php:16 
Stack trace: #0 /home/turknova.net/public_html/include/bittorrent.php(12): include() #1 /home/turknova.net/public_html/index.php(2):
 require('/home/turknova....') #2 {main} thrown in /home/turknova.net/public_html/include/core.php on line 16