How to resolve the issue of unable to Create or Save Draft on Contest app v4.02 on phpFox v4.6.1b5

To resolve the issue of unable to Create or Save Draft on Contest app v4.02 on phpFox v4.6.1b5, edit file at:

.../PF.Base/module/contest/include/service/mail/phpfoxmail.class.php

On line 8:

<?php
/**
 * [PHPFOX_HEADER]
 */

defined('PHPFOX') or exit('NO DICE!');

Phpfox::getLibClass('phpfox.mail.interface'); // Remove or comment out this line.
/**
 * @copyright        [YOUNETCO]
 * @author          NghiDV
 * @package          Module_Donation
 * @version         $Id: process.class.php 1 2012-02-15 10:33:17Z YOUNETCO $
 */
class Contest_Service_Mail_Phpfoxmail extends Phpfox_Service

Save the file. This should resolve the issue.

Let us know if you need any further support.

Thank you.