<?php

include("database.php");
 
/* Once Post Metoduyla Gelen Verileri Cekelim */ 
$nickname=$_POST["nickname"]; 
$age=$_POST["age"]; 
$sms=$_POST["sms"];
$password=$_POST["password"];
$passwordCheck=$_POST["passwordCheck"];
$gender=$_POST["gender"];

echo "$nickname";
echo "$age";
echo "$sms";
echo "$password";
echo "$passwordCheck";
echo "$gender";

if(($nickname=="")or($age=="")or($sms=="")or($password=="")or($passwordCheck=="")or($gender=="")){ 
echo "Lutfen Bos Alan Birakmayniz"; 
}elseif($password != $passwordCheck){
	echo "Parolanız Eşleşmiyor";  
}else{
	$password_md=md5($password);

	$add_member = "
		INSERT INTO 
			players
		SET
			name			= '". $_POST[nickname] ."',
			password		= '$password_md',
			email			= '". $_POST[sms] ."',
			gender			= '". $_POST[gender] ."',
			age				= '". $_POST[age] ."',
	";
	$insertuser = mysql_query($add_member) or die(mysql_error());
	}

Aldığım hata:

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 '' at line 8

Yardım Lütfen.