"You have an error in your SQL syntax"

I got this following code that is not working well, the error message it echo is “You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ’ serverDate varchar(30) NOT NULL default ‘’, serverPictur”

Anyone know where i go wrong?


<?php
//Run this file from the server ONCE
//This first line of Code is to load your database variables.
include ('include.php');

//make connection
$hookup = mysql_connect($server, $user, $pass);

//Select the databse
$debase=mysql_select_db($dbase,$hookup);

//build the query statement
$sql ="CREATE TABLE $tablename (
  serverID varchar(30) NOT NULL default '',,
  serverDate varchar(30) NOT NULL default '',
  serverPicture text NOT NULL,
  serverBackground int(4) NOT NULL default '32',
  serverMusic int(4) NOT NULL default '32',
  serverSendName varchar(30) NOT NULL default '',
  serverSendEmail varchar(30) NOT NULL default '',
  serverRecName varchar(30) NOT NULL default '',
  serverRecEmail varchar(30) NOT NULL default '',
  serverGreeting text NOT NULL

)";

//execute the query
$result = mysql_query($sql,$hookup) or die(mysql_error());



if($result) {
  $feedback="Table is created!!!!!! :>";
}
echo "$feedback";


?>