';
$access_where = "(access_url_id = $url_id OR access_url_id is null )";
if ($show_users_with_problems) {
$access_where = "(access_url_id is null)";
}
$sql = "SELECT u.user_id, lastname, firstname, username, access_url_id
FROM $tbl_user u
INNER JOIN $tbl_session_rel_user su
ON u.user_id = su.user_id AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
LEFT OUTER JOIN $table_access_url_user uu
ON (uu.user_id = u.user_id)
WHERE su.session_id = $session_id AND $access_where
$order_clause";
$result = Database::query($sql);
$users = Database::store_result($result);
if (!empty($users)) {
$html .= '