function restart_search($conn)
{
    $return['error'] = FALSE;
    $return['msg'] = '';
    Asset_filter_list::delete_filters_from_session();
    try {
        $filter_list = new Asset_filter_list($conn);
        $filter_list->store_filter_list_session();
    } catch (Exception $e) {
        $return['error'] = TRUE;
        $return['msg'] = $e->getMessage();
    }
    return $return;
}