Comment Box Missing

My comments boxes are not showing up. I use the Thesis Theme.

I don’ t know much about programming.

My Comments PHP is below. please help

Thank you

<?php

// Prevent direct access to this file
if (!defined(‘ABSPATH’)) {
header(‘HTTP/1.1 403 Forbidden’);
die(‘Please do not load this file directly. Thank you.’);
}

// Check for password protection
if (post_password_required()) {
$pass_req = “<p>” . __(‘This post is password protected. Enter the password to view comments.’, ‘thesis’) . “</p>\n”;
return;
}

$user_data = array(
‘user_ID’ => $user_ID,
‘user_identity’ => $user_identity,
‘comment_author’ => $comment_author,
‘comment_author_email’ => $comment_author_email,
‘comment_author_url’ => $comment_author_url,
‘req’ => $req
);

$thesis_comments = new thesis_comments;
$thesis_comments->output_comments($comments, $user_data);