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 s.* from ymg6com_1483341983 s,forum_post h where s.uid=h.authorid and h.pid=

PHP Debug

No.FileLineCode
1forum.php67require(%s)
2source/module/forum/forum_viewthread.php26showmessage()
3source/function/function_core.php1426dshowmessage()
4source/function/function_message.php237include(%s)
5data/template/8_8_common_showmessage.tpl.php1hookscriptoutput()
6source/function/function_core.php1218hookscript()
7source/function/function_core.php1177plugin_ymg6com_1483341983_forum->viewthread_postbottom_output()
8source/plugin/ymg6com_1483341983/ymg6com_1483341983.class.php28getainfo()
9source/plugin/ymg6com_1483341983/ymg6com_1483341983.class.php110discuz_database::fetch_first()
10source/class/discuz/discuz_database.php94discuz_database::query()
11source/class/discuz/discuz_database.php139db_driver_mysqli->query()
12source/class/db/db_driver_mysqli.php148db_driver_mysqli->halt()
13source/class/db/db_driver_mysqli.php223break()
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