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 forum_forum.fid,forum_forum.status,forum_thread.fid,name,type,attachment FROM forum_forum, forum_thread WHERE forum_forum.fid = forum_thread.fid AND forum_thread.tid =

PHP Debug

No.FileLineCode
1forum.php67require(%s)
2source/module/forum/forum_forumdisplay.php974include(%s)
3data/template/11_diy_forum_forumdisplay.tpl.php912include(%s)
4template/huyou_toutiaos/php/forum_forumdisplay.php24discuz_database::fetch_all(%s)
5source/class/discuz/discuz_database.php106discuz_database::query(%s, Array, false, false)
6source/class/discuz/discuz_database.php142db_driver_mysql->query(%s, false, false)
7source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
8source/class/db/db_driver_mysql.php223break()
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