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 rht<= order by listorder asc' at line 1

select id from vieye_column where lft>= and rht<= order by listorder asc

Filename: models/Column_db.php

Line Number: 319