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 * from portal_article_title where aid =

PHP Debug

No.FileLineCode
1portal.php32require_once(%s)
2source/module/portal/portal_view.php278include_once(%s)
3data/template/40_diy_portal_view_79.tpl.php306discuz_database::fetch_first(%s)
4source/class/discuz/discuz_database.php94discuz_database::query(%s, Array, false, false)
5source/class/discuz/discuz_database.php139db_driver_mysqli->query(%s, false, false)
6source/class/db/db_driver_mysqli.php148db_driver_mysqli->halt(%s, %d, %s)
7source/class/db/db_driver_mysqli.php223break()
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