View file modules/errors/403.php

<?php
require_once $_SERVER['DOCUMENT_ROOT'].'/system/function.php';
$title_main = 'Error 403 Forbidden';
require_once SYS.'/head.php';

echo '

		<div class="error">

			<div class="error-logo"></div>

			<div class="error-text">
				<div class="error-title">403</div>
				<div class="error-message">'.$lang['error_403'].'</div>

				<div>
					<a href="/">'.$lang['go_home'].'</a>
				</div>
			</div>

		</div>

		</section>

	</body>
</html>
';

?>