Discuz! info: MySQL Query Error

Time: 2008-8-8 6:51am
Script: /bbs/viewthread.php

SQL: SELECT * FROM [Table]threads t WHERE tid IN (-1, , 1) AND displayorder>='0'
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 ' 1) AND displayorder>='0'' at line 1
Errno.: 1064

Similar error report has beed dispatched to administrator before.