chamilo-lms2/main/gradebook/open_document.php

<?php
/* For licensing terms, see /license.txt */
/**
 * Script
 * @package chamilo.gradebook
 */
/**
 * Init
 */
//Disabling code due issue #2705 gradebook with id "-1" 
exit;
/*
require_once '../inc/global.inc.php';
require_once '../inc/lib/document.lib.php';
api_block_anonymous_users();
DocumentManager :: file_send_for_download(api_get_path(SYS_COURSE_PATH).$_GET['file']);
exit;
*/