itil-foundation.cn - Database Error

(145) Table './itilxfldb/forum_attachment' is marked as crashed and should be repaired

SELECT * FROM forum_attachment WHERE `aid` IN('45502','45503','45509','45508','45507','45517','45501','45500','45499','45498','45495','45496','45497','45515','45516','45511','45512','45514','45513','45510','45506','45505','45504')

PHP Debug

No.	File	Line	Code
1	forum.php	67	require(%s)
2	source/module/forum/forum_viewthread.php	930	parseattach(Array, Array, Array, Array)
3	source/function/function_attachment.php	143	discuz_table->fetch_all(Array)
4	source/class/discuz/discuz_table.php	110	discuz_database::query(%s)
5	source/class/discuz/discuz_database.php	142	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