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 ') and idtype = 'source_id' limit 50' at line 1
select itemid from common_tagitem where tagid in ( ) and idtype = 'source_id' limit 50

PHP Debug

2source/module/forum/forum_viewthread.php1189discuz_database::fetch_all(%s, Array)
3source/class/discuz/discuz_database.php103discuz_database::query(%s, Array, false, false)
4source/class/discuz/discuz_database.php139db_driver_mysqli->query(%s, false, false)
5source/class/db/db_driver_mysqli.php148db_driver_mysqli->halt(%s, %d, %s)
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