hi friends i use wordpress but when in active yoo theme its show error but i don't know about this error please help

error show
Code:
Warning:  Invalid argument supplied for foreach() in /public_html/wp-content/themes/yoo_catalyst/warp/systems/wordpress.3.0/helpers/widgets.php on line 107
code

PHP Code:
 <?php
/**
* @package   Warp Theme Framework
* @author    YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license   YOOtheme Proprietary Use License (http://www.yootheme.com/license)
*/

/*
    Class: WidgetsWarpHelper
        Wordpress widget helper class, provides simplyfied access to wordpress widgets
*/
class WidgetsWarpHelper extends WarpHelper {

    
/* widgets */
    
public $widgets;
    
    
/* options */
    
public $options;

    
/*
        Function: Constructor
            Class Constructor.
    */
    
public function __construct() {
        
parent::__construct();

        
// set options
        
$this->options get_option('warp_widget_options', array());
    }

    
/*
        Function: get
            Retrieve a widget by id

        Parameters:
            $id - Widget ID

        Returns:
            Object
    */
    
public function get($id) {
        global 
$wp_registered_widgets;
        
        
$widget null;

        if (isset(
$wp_registered_widgets[$id]) && ($data $wp_registered_widgets[$id])) {
            
$widget = new stdClass();
            
            foreach (array(
'id''name''classname''description') as $var) {
                
$widget->$var = isset($data[$var]) ? $data[$var] : null;
            }

            if (isset(
$data['callback']) && is_array($data['callback']) && ($object current($data['callback']))) {
                if (
is_a($object'WP_Widget')) {

                    
$widget->type $object->id_base;

                    if (isset(
$data['params'][0]['number'])) {

                        
$number $data['params'][0]['number'];
                        
$params get_option($object->option_name);

                        if (
false === $params && isset($object->alt_option_name)) {
                            
$params get_option($object->alt_option_name);
                        }

                        if (isset(
$params[$number])) {
                            
$widget->params $params[$number];
                        }
                    }
                }
            } else if (
$id == 'nav_menu-0') {
                
$widget->type 'nav_menu';
            }
            
            if (empty(
$widget->name)) {
                
$widget->name ucfirst($widget->type);
            }

            if (empty(
$widget->params)) {
                
$widget->params = array();
            }

            
$widget->options = isset($this->options[$id]) ? $this->options[$id] : array();
            
$widget->display $this->_display($widget);
        }
        
        return 
$widget;
    }

    
/*
        Function: getWidgets
            Retrieve widgets

        Parameters:
            $position - Position

        Returns:
            Array
    */
    
public function getWidgets($position null) {

        if (empty(
$this->widgets)) {
            foreach (
wp_get_sidebars_widgets() as $pos => $ids) {
                
$this->widgets[$pos] = array();
                foreach (
$ids as $id) {
                    
$this->widgets[$pos][$id] = $this->get($id);
                }
            }
        }

        if (!
is_null($position)) {
            return isset(
$this->widgets[$position]) ? $this->widgets[$position] : array();
        }
        
        return 
$this->widgets;
    }

    
/*
        Function: _display
            Checks if a widget should be displayed

        Returns:
            Boolean
    */
    
protected function _display($widget) {
        if (!isset(
$widget->options['display']) || in_array('*'$widget->options['display'])) return true;
        
        
$query $this['system']->getQuery();

        foreach (
$query as $q) {
              
           if (
in_array($q$widget->options['display'])) {
                
                switch(
$q) {
                    case 
"page":
                        
                        if(
is_home()) {
                            return 
in_array('home'$widget->options['display']);
                        }

                        if(
is_front_page()) {
                            return 
in_array('front_page'$widget->options['display']);
                        }

                    default:
                        return 
true;
                }
            }
        }

        return 
false;
    }

}