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 authorid IN (1,5) AND first=0 AND invisible=0 ORDER BY dateline ASC LIMIT 10' at line 1
SELECT message,authorid,dateline,pid FROM forum_post WHERE tid= AND authorid IN (1,5) AND first=0 AND invisible=0 ORDER BY dateline ASC LIMIT 10

PHP Debug

No.FileLineCode
1forum.php67require(%s)
2source/module/forum/forum_viewthread.php27showmessage()
3source/function/function_core.php1430dshowmessage()
4source/function/function_message.php237include(%s)
5data/template/8_8_common_showmessage.tpl.php1hookscriptoutput()
6source/function/function_core.php1222hookscript()
7source/function/function_core.php1181plugin_keke_reply_forum->viewthread_postbottom_output()
8source/plugin/keke_reply/keke_reply.class.php46discuz_database::query()
9source/class/discuz/discuz_database.php142db_driver_mysqli->query()
10source/class/db/db_driver_mysqli.php148db_driver_mysqli->halt()
11source/class/db/db_driver_mysqli.php223break()
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