Error / Warning: Invalid argument supplied for foreach()

[junyo]

Hola a todos me sale con joomla el siguiente error ya que quiero quitar dicho menu,

Warning: Invalid argument supplied for foreach() in www\templates\ja_antares\ja_menus\Transmenu.class. php on line 19

Este error me aparece donde estaba dicho menu.

El codigo de Transmenu.class.php es el siguiente

Código PHP:

  <?php
defined('_JEXEC') or die('Restricted access');
if (!defined ('_JA_TRANS_MENU_CLASS')) {
    define ('_JA_TRANS_MENU_CLASS', 1);
    require_once (dirname(__FILE__).DS."Base.class.php");
 
    class JA_Transmenu extends JA_Base{
 
        function beginMenu($startlevel=0, $endlevel = 10){
 
            $direction = "TransMenu.direction.".$this->getParam('menu_direction', 'right');
            $position = "TransMenu.reference.".$this->getParam('menu_position', 'topRight');
            $top = $this->getParam('p_t', 0);
            $left = $this->getParam('p_l', 0);
            $subpad_x = $this->getParam('subpad_x', 0);
            $subpad_y = $this->getParam('subpad_y', 0);
            echo '<ul id="ja-transmenu">';
            $i = 0;
            foreach ($this->children[0] as $v) {
                echo "<li>";
                $pos = ($i == 0 ) ? 'first' : (($i == count($this->children[0])-1) ? 'last' :'');
                parent::genMenuItem ($v, 0, $pos);
                $i++;
                echo "</li>";
            }
            echo '</ul>';
            echo '
                <script type="text/javascript" language="javascript">
                //<!--[CDATA[
                if (TransMenu.isSupported()) {
                    TransMenu.updateImgPath(\'',$this->getParam('menupath').'/ja_transmenu','/\');
                    var ms = new TransMenuSet(',$direction,', ', $left,', ',$top,', ',$position,');
                    TransMenu.subpad_x = ',$subpad_x,';
                    TransMenu.subpad_y = ',$subpad_y,';
 
                ';
        }
 
        function genClass ($mitem, $level, $pos) {
            $active = in_array($mitem->id, $this->open);
            $active = ($active)?'mainlevel-active':'mainlevel';
            if($this->hasSubItems($mitem->id)) $active = 'havechild-'.$active;
            $active .= '-trans';
            if($pos) $active .= '-'.$pos;
            return "class=\"$active\"";
        }
 
        function endMenu($startlevel=0, $endlevel = 10){
            echo '
                    TransMenu.renderAll();
                }
                init1=function(){TransMenu.initialize();}
                if (window.attachEvent) {
                    window.attachEvent("onload", init1);
                }else{
                    TransMenu.initialize();
                }
                //]]-->
                </script>
            ';
        }
 
        function hasSubMenu($level) {
            return false;
        }
 
        function genMenuItems($pid, $level) {
            if (@$this->children[$pid]) {
                $i = 0;
                foreach ($this->children[$pid] as $row) {
 
                    $this->genMenuItem( $row, $level, $i);
 
                    // show menu with menu expanded - submenus visible
                    $this->genMenuItems( $row->id, $level+1 );
                    $i++;
                }
            }
        }
 
        function genMenuItem($row, $level = 0, $pos = '', $ret = 0) {
            $txt = '';
 
            // replace & with amp; for xhtml compliance
            $menu_params = $this->createParameterObject($row->params);
            $menu_secure = $menu_params->def('secure', 0);
 
            //echo "$row->name $row->link $level<br>";
            if ($level){
                $pmenu = "tmenu$row->parent";
                //echo "$pmenu.addItem(\"$row->name\", \"$row->link\");\n";
                $active = 0;
                if ( in_array($row->id, $this->open) ) $active = 1;
 
                $txt = $row->name;
                if ( $this->getParam( 'menu_images' ) ) {
                    $menu_params =& new $this->createParameterOjbect( $row->params );
                    $menu_image = $menu_params->def( 'menu_image', -1 );
                    if ( ( $menu_image <> '-1' ) && $menu_image ) {
                        $image = '<img src="'. $mosConfig_live_site .'/images/stories/'. $menu_image .'" border="0" alt="'. $row->name .'"/>';
                        if ( $this->getParam( 'menu_images_align' ) ) {
                            $txt = $txt .' '. $image;
                        } else {
                            $txt = $image .' '. $txt;
                        }
                    }
                }
                $txt = str_replace("\"", "\\\"", $txt);
 
                echo "$pmenu.addItem(\"$txt\", \"".str_replace('&amp;', '&', $row->url)."\", $row->browserNav, $active);\n";
            }else{
                $pmenu = "ms";
            }
            $cmenu = "tmenu{$row->id}";
            $idmenu = "menu{$row->id}";
            if ($this->hasSubItems($row->id)){
                if ($level == 0){
                    echo "var $cmenu = ".$pmenu.".addMenu(document.getElementById(\"$idmenu\"));\n";
                }else{
                    echo "var $cmenu = ".$pmenu.".addMenu(".$pmenu.".items[".$pos."]);\n";
                }
            }else{
                if ($level == 0){
                    echo '
                    document.getElementById("',$idmenu,'").onmouseover = function() {
                        ',$pmenu,'.hideCurrent();
                    }
                    ';
                }
            }
        }
 
        function genMenuHead () {
            ?>
            <link href="<?php echo $this->getParam('menupath'); ?>/ja_transmenu/ja.transmenuh.css" rel="stylesheet" type="text/css" />
            <script src="<?php echo $this->getParam('menupath'); ?>/ja_transmenu/ja.transmenu.js" language="javascript" type="text/javascript" ></script>
            <?php
        }
    }
}
?>   

Os agraceria mucho vuesta ayuda.Gracias