Discuz! Database Error

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

SELECT * FROM forum_postcomment WHERE pid IN ('839351','839356','839357','839442','839447','839470','839482','839500','839531','839533','839536','839654','839664','839671','839672','839675','839676','839682','839699','839753') 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()