$action = 'default';
        }
        $method = $action . 'Action';
        // Datei inkludieren
        require_once APPLICATION_ROOT . 'system/core/backend/controllers/' . $folder . '/' . $file;
        // Prüfen, ob Klasse existiert
        if (!class_exists($class)) {
            Helpers::fatalError('Page not found (class "' . $class . '" doesn\'t exist in system/core/backend/controllers/' . $folder . '/' . $file . ')!', true);
        }
        // Klasse instanziieren
        $controller = new $class($module);
        // Prüfen, ob Methode existiert
        if (!method_exists($controller, $method)) {
            Helpers::fatalError('Page not found (class-method "' . $method . '" doesn\'t exist in class "' . $class . '" ist in system/core/backend/controllers/' . $folder . '/' . $file . ')!', true);
        }
        // View erzeugen und mit Controller verbinden
        $view = new View();
        $view->assignTemplate(APPLICATION_ROOT . 'system/core/backend/views/' . $folder . '/' . UTF8String::strtolower($file));
        $view->assign('baseUrl', Config::get()->baseUrl);
        $view->assign('moduleUrl', Config::get()->baseUrl . 'admin/' . $folder . '/' . $module . '/');
        $view->assign('publicUrl', Config::get()->baseUrl . 'system/core/backend/public/');
        $view->assign('backendLanguage', $language_id);
        $controller->assignView($view);
        // Action-Methode ausführen
        $controller->callActionMethod($action);
        // Ausgabe des Views...
        if ($controller->getView() != null) {
            $controller->getView()->output();
        }
    }
}