Discuz! Database Error

(144) Table './sq8filmaker/forum_postcomment' is marked as crashed and last (automatic?) repair failed

SELECT * FROM forum_postcomment WHERE pid IN ('638324','638326','638329','638336','638339','638340','638352','638353','638354','638355','638357','638359','638373','638521','638530','638555','638593','638672','638710','638812','638817','638870','638885','638917') ORDER BY dateline DESC

PHP Debug

No.	File	Line	Code
1	forum.php	67	require(%s)
2	source/module/forum/forum_viewthread.php	901	table_forum_postcomment->fetch_postcomment_by_pid(Array, Array, Array, Array, %s)
3	source/class/table/table_forum_postcomment.php	152	discuz_database::query(%s)
4	source/class/discuz/discuz_database.php	139	db_driver_mysql->query(%s, false, false)
5	source/class/db/db_driver_mysql.php	152	db_driver_mysql->halt(%s, %d, %s)
6	source/class/db/db_driver_mysql.php	223	break()