Warning: max() [function.max]: Array must contain at least one element in /home/expomari/public_html/admin2/core/kisNet.php on line 118

QUERY : SELECT `id`,`name`,`alias`,`type`,`contentid` FROM `kis1_contents` WHERE parent= AND `lvl`=2 ORDER BY `orderid`
Error : 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 'AND `lvl`=2 ORDER BY `orderid`' at line 1