selamlar,
bir joomla modülünü kurup aktifleştirince
Fatal error: Cannot redeclare class modPollHelper in /home/progryco/public_html/modules/mod_coolpoll/helper.php on line 18 hatası alıyorum. Ne yapmam gerek

Bahsettiği helper.php dosyası şu şekilde

<?php
/**
* @version		$Id: helper.php 10381 2008-06-01 03:35:53Z pasamio $
* @package		Joomla
* @copyright	Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
class modPollHelper
{	function getPoll($id)
	{
		$db		=& JFactory::getDBO();
		$result	= null;
		$query = 'SELECT id, title, lag,'
			.' CASE WHEN CHAR_LENGTH(alias) THEN CONCAT_WS(\':\', id, alias) ELSE id END as slug '
			.' FROM #__polls'
			.' WHERE id = '.(int) $id
			.' AND published = 1'
			;
		$db->setQuery($query);
		$result = $db->loadObject();
		if ($db->getErrorNum()) {
			JError::raiseWarning( 500, $db->stderr() );
		}
		return $result;
	}
	function getPollOptions($id)
	{
		$db	=& JFactory::getDBO();
		$query = 'SELECT id, text' .
			' FROM #__poll_data' .
			' WHERE pollid = ' . (int) $id .
			' AND text <> ""' .
			' ORDER BY id';
		$db->setQuery($query);
		if (!($options = $db->loadObjectList())) {
			echo "MD ".$db->stderr();
			return;
		}
		return $options;
	}
	function PollVote( $poll_id, $option_id )
	{
    	$db =& JFactory::getDBO();
		$poll_id	= (int) $poll_id;
		$option_id	= (int) $option_id;
		$query = 'UPDATE #__poll_data'
			. ' SET hits = hits + 1'
			. ' WHERE pollid = ' . (int) $poll_id
			. ' AND id = ' . (int) $option_id
			;
		$db->setQuery( $query );
		$db->query();
		$query = 'UPDATE #__polls'
			. ' SET voters = voters + 1'
			. ' WHERE id = ' . (int) $poll_id
			;
		$db->setQuery( $query );
		$db->query();
		$date =& JFactory::getDate();
		$query = 'INSERT INTO #__poll_date'
			. ' SET date = ' . $db->Quote($date->toMySQL())
			. ', vote_id = ' . (int) $option_id
			. ', poll_id = ' . (int) $poll_id
		;
		$db->setQuery( $query );
		$db->query();
		//return "yes";
	}
}
?>