Discuz! info: MySQL Query Error

Time: 2018-6-20 11:35am
Script: /children_insurance_f956_1417.html

SQL: SELECT tid,attachment,subject,message FROM [Table]posts WHERE tid in () AND first='1' order by tid DESC
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 first='1' order by tid DESC' at line 1
Errno.: 1064

Similar error report has beed dispatched to administrator before.