I have a problem with widget. I'm using Ultimate cool theme 2.1.1 (WISB), and I can add widget to dashboard, it appears but doesn't work, althought it works well in profile page, group page... How can I fix it?!

Below is my dashboard.php file in WISB/pages folder.

<?php
gatekeeper();

$user = elgg_get_logged_in_user_entity();

elgg_set_page_owner_guid($user->guid);

$title = elgg_echo('newsfeed');

$composer = elgg_view('page/elements/composer', array('entity' => $user));


$db_prefix = elgg_get_config('dbprefix');
$activity = elgg_list_river(array(
    'joins' => array("JOIN {$db_prefix}entities object ON object.guid = rv.object_guid"),
    'wheres' => array("
        rv.subject_guid = $user->guid
        OR rv.subject_guid IN (SELECT guid_two FROM {$db_prefix}entity_relationships WHERE guid_one=$user->guid AND relationship='follower')
        OR rv.subject_guid IN (SELECT guid_one FROM {$db_prefix}entity_relationships WHERE guid_two=$user->guid AND relationship='friend')
    "),
));

$options = array();

$page_type = preg_replace('[\W]', '', get_input('page_type', 'all'));
$type = preg_replace('[\W]', '', get_input('type', 'all'));
$subtype = preg_replace('[\W]', '', get_input('subtype', ''));
if ($subtype) {
    $selector = "type=$type&subtype=$subtype";
} else {
    $selector = "type=$type";
}

if ($type != 'all') {
    $options['type'] = $type;
    if ($subtype) {
        $options['subtype'] = $subtype;
    }
}

switch ($page_type) {
    case 'mine':
        $title = elgg_echo('river:mine');
        $page_filter = 'mine';
        $options['subject_guid'] = elgg_get_logged_in_user_guid();
        break;
    case 'friends':
        $title = elgg_echo('river:friends');
        $page_filter = 'friends';
        $options['relationship_guid'] = elgg_get_logged_in_user_guid();
        $options['relationship'] = 'friend';
        break;
    default:
        $title = elgg_echo('river:all');
        $page_filter = 'all';
        break;
}

$activity = elgg_list_river($options);
if (!$activity) {
    $activity = elgg_echo('river:none');
}

$content = elgg_view('core/river/filter', array('selector' => $selector));

//$sidebar = elgg_view('core/river/sidebar');

$params = array(
        'title' => $title,
        'content' =>  $composer . $content . $activity,
        //'sidebar' => $sidebar,
        //'filter_context' => $page_filter,
        'class' => 'elgg-river-layout',
);


elgg_set_page_owner_guid(1);
$content = elgg_view_layout('two_sidebar', $params);

echo elgg_view_page($title, $content);