php hata

[fikrix]

slm arkadaslar su hatayi nasil duseltebilirim birtürlü beceremedim yardimlarinisi bekliyorum

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /usr/export/www/vhosts/funnetwork/hosting/yelek/da/register.php on line 26

satirlar assagida arkadaslar

24. # retrieve the template
25. $query="SELECT * FROM templates WHERE tpl_description='Guest Area'";
26. $retval=mysql_query($query,$link) or die(mysql_error());
27. $template = mysql_fetch_object($retval);
?>