A Database Error Occurred

Error Number: 1064

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 `rgt` > ORDER BY `lft` desc' at line 4

SELECT * FROM (`ci_categories`) WHERE `lft` < AND `rgt` > ORDER BY `lft` desc

Filename: /home/www/horgaszb/horgaszbolt-baja.hu/models/mpttree.php

Line Number: 685