www.mengchenghui.com - 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 'FORCE INDEX (digest) WHERE t.`fid`='129' AND t.`displayorder` IN('0','1','2','3' at line 1

SELECT * FROM forum_thread t left join common_member m ON m.uid = t.authorid FORCE INDEX (digest) WHERE t.`fid`='129' AND t.`displayorder` IN('0','1','2','3','4') AND t.`typeid`='682' AND t.`digest`>'0' and groupid not in(35,36,42,56,1,2,3) ORDER BY displayorder DESC, lastpost DESC LIMIT 20

PHP Debug

No.	File	Line	Code
1	forum.php	67	require(%s)
2	source/module/forum/forum_forumdisplay.php	818	table_forum_thread->fetch_all_search1(Array, %d, %d, %d, %s, %s, %s, %s)
3	source/class/table/table_forum_thread.php	588	discuz_database::fetch_all(%s)
4	source/class/discuz/discuz_database.php	101	discuz_database::query(%s, Array, false, false)
5	source/class/discuz/discuz_database.php	137	db_driver_mysql->query(%s, false, false)
6	source/class/db/db_driver_mysql.php	152	db_driver_mysql->halt(%s, %d, %s)
7	source/class/db/db_driver_mysql.php	223	break()

Discuz! Database Error