Discuz! Database Error

(145) Table './ymwz88_com/forum_threadaddviews' is marked as crashed and should be repaired

SELECT * FROM forum_threadaddviews WHERE `tid` IN('640997','640994','640995','640992','640993','640990','640991','640988','640989','640986','640987','640984','640985','640982','640983','640980','640981','640978','640979','640976')

PHP Debug

No.	File	Line	Code
1	forum.php	67	require(%s)
2	source/module/forum/forum_forumdisplay.php	854	discuz_table->fetch_all()
3	source/class/discuz/discuz_table.php	110	discuz_database::query()
4	source/class/discuz/discuz_database.php	142	db_driver_mysqli->query()
5	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt()
6	source/class/db/db_driver_mysqli.php	223	break()