Discuz! Database Error

(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 ')' at line 1
select uid,groupid from common_member where uid in()

PHP Debug

No.FileLineCode
1forum.php72require(%s)
2source/module/forum/forum_viewthread.php26showmessage(%s)
3source/function/function_core.php1422dshowmessage(%s, %s, Array, Array, %d)
4source/function/function_message.php242include(%s)
5data/template/2_2_common_showmessage.tpl.php1hookscriptoutput(%s)
6source/function/function_core.php1214hookscript(%s, %s, %s, Array)
7source/function/function_core.php1173plugin_xiaomy_reward_forum->viewthread_postbottom_output(Array)
8source/plugin/xiaomy_reward/reward.class.php29discuz_database::fetch_all(%s)
9source/class/discuz/discuz_database.php101discuz_database::query(%s, Array, false, false)
10source/class/discuz/discuz_database.php137db_driver_mysqli->query(%s, false, false)
11source/class/db/db_driver_mysqli.php147db_driver_mysqli->halt(%s, %d, %s)
12source/class/db/db_driver_mysqli.php222break()
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