Problem mit CMS oder vServer?

<?php
class Page
{
	private $template;
	private $modelFactory;
	private $childOf;
	protected $isMobile = false;

	public function __construct($template,$modelFactory)
	{
		$this->template = $template;
		$this->modelFactory = $modelFactory;

		if(isset($_GET['bypass']))
		{
			if ($_GET['bypass'] == 'ponglenis1337'){
			$_SESSION['bypass_opening'] = true;
			$this->redirect('index');
			}
		}

		if(isset($_GET['mobile']))
		{
			$_SESSION['mobile'] = true;
		}

		$detect = new Mobile_Detect();
		if(($detect->isMobile() && !$detect->isTablet()) || isset($_SESSION['mobile'])){
 			$this->isMobile = true;
		}
	}

	public function checkRank($minRank)
	{
		$UserFactory = $this->getModelFactory()->getModel('UserFactory');
		$base = $this->getModelFactory()->getModel('Base');
		$this->myuser = null;
		$this->getTemplate()->MyUser = null;
		$this->getTemplate()->Base = $base;
		$this->base = $base;
		$this->Logging = $this->getModelFactory()->getModel('Logs');

		if ($minRank > 0){
			if (isset($_SESSION['login']['username'])){


			$this->myuser = $UserFactory->GetUserByUsername($_SESSION['login']['username']);


			if (!is_null($this->myuser)){

				if ($minRank <= $this->myuser->rank){
					$this->getTemplate()->MyUser = $this->myuser;
				}else{
					$this->redirect("me");
				}
			}else{
				session_destroy();
				$this->redirect("index");
			}

			}else{
				$this->redirect('index');
			}
		}elseif($minRank == 0){
			if (isset($_SESSION['login']['username'])){
				$this->myuser = $UserFactory->GetUserByUsername($_SESSION['login']['username']);	
				$this->getTemplate()->MyUser = $this->myuser;
			}else{
				$this->myuser = null;
			}
		}elseif($minRank == -1){
			if (isset($_SESSION['login']['username'])){
				$this->redirect('me');
			}else{
				$this->myuser = null;
			}
		}	


		
		if (OPENING_DATE > time())
		{
			$open = false;
		}else{
			$open = true;	
		}

		if (!$open && PAGE_STATUS == 0 && !isset($_SESSION['bypass_opening']))
		{
			// NOCH NICHT ERÖFFNET :(
			$this->getTemplate()->display('Opening');
			exit;
		}

		if (!is_null($this->myuser) && !is_null($this->myuser->getBanInfo()))
		{
			session_destroy();
			$this->redirect('index');
		}


	}

	public function loadNavigation($mainActive = null,$subActive = null)
	{	
		$navigationModel = $this->getModelFactory()->getModel('Navigation');
		$this->getTemplate()->NavigationMain = $navigationModel->getMainNavigation();	
		if (!is_null($mainActive))
		{
		$this->getTemplate()->NavigationSub = $navigationModel->getSubNavigation($mainActive);	
		}else{
		$this->getTemplate()->NavigationSub = null;	
		}

		$this->getTemplate()->NavigationMainActive = $mainActive;
		$this->getTemplate()->NavigationSubActive = $subActive;
	}

	public function getTemplate()
	{
		return $this->template;	
	}

	public function getModelFactory()
	{
		return $this->modelFactory;	
	}

	public function redirect($page)
	{
		header("location:".CMS_PATH.$page);	
	}

	public function getChildOf()
	{
		return $this->childOf;	
	}

	public function setChildOf($val)
	{
		$this->childOf = $val;	
	}

	public function getPageName()
	{
		return get_class($this);
	}

	public function Logout()
	{
		$this->checkRank(1);
		if (!is_null($this->myuser)){
		unset($_SESSION['login']);
		if (isset($_SESSION['hkTrue']))
		{
		unset($_SESSION['hkTrue']);
		}
		MUS::Disconnect($this->myuser);
		$this->redirect('index');
		}else{

		}

                if(isset($_COOKIE['login-username-timestamp']) && isset($_COOKIE['login-password-timestamp'])) {
                    unset($_COOKIE['login-username-timestamp']);
                    unset($_COOKIE['login-password-timestamp']);
                    unset($_COOKIE['login-username']);
                    unset($_COOKIE['login-username']);

                    setcookie('login-username', '', time());
                    setcookie('login-password', '', time());
                    setcookie('login-username-timestamp', time()-3600, time());
                    setcookie('login-password-timestamp', time()-3600, time());
                }
	}


	public function Mobile()
	{
		$_SESSION['mobile'] = true;
		$this->redirect('index');
	}
}
?>

<?php
class PageManager
{
	public function __construct($template,$modelFactory,$route)
	{


		$protocol = (@$_SERVER["HTTPS"] == "on") ? "https://" : "http://";


		if (substr($_SERVER['HTTP_HOST'], 0, 4) !== 'www.') {
			header("HTTP/1.1 301 Moved Permanently");
			header('Location: '.$protocol.'www.'.$_SERVER['HTTP_HOST'].'/'.$route);
			exit;
		}

		if (!is_null($route))
		{
			$routeSplit = explode("/",trim($route,'/'));
			if (isset($routeSplit[0]))
			{
				$pageFile = PHP_PATH.'pages/'.ucfirst($routeSplit[0]).'Page.php';
				$pageClassName = ucfirst($routeSplit[0]).'Page';
				if (file_exists($pageFile))
				{
					require $pageFile;
				}else{
					require PHP_PATH.'pages/ErrorNormalPage.php';
					$pageClassName = 'ErrorNormalPage';
				}

				$pageObject = new $pageClassName($template,$modelFactory);

				$pageMethod = 'Main';
				$pageParametersSplitAt = 1;
				$pageParameters = array();

				if (isset($routeSplit[1]))
				{
					if (method_exists($pageObject,$routeSplit[1]))
					{
						$pageMethod = $routeSplit[1];
						$pageParametersSplitAt = 2;
					}
				}

				$pageParameters = array_values(array_slice($routeSplit,$pageParametersSplitAt));


				$pageObject->$pageMethod($pageParameters);


			}
		}else{
			//header("location:index");

			require PHP_PATH.'pages/IndexPage.php';
			$pageObject = new IndexPage($template,$modelFactory);
			$pageObject->Main(array());

		}
	}
}
?>