Discuz! Database Error

(145) Table '.\newbbs\forum_postcache' is marked as crashed and should be repaired

SELECT * FROM forum_postcache WHERE `pid` IN('6899624','6906913','6906919','6907677','6907690','6907691','6907695','6907702','6907704','6907707','6907708','6907709','6907710','6907711','6907712','6907713','6907715','6907719','6907722','6907725')

PHP Debug

No.	File	Line	Code
1	forum.php	67	require(%s)
2	source/module/forum/forum_viewthread.php	875	discuz_table->fetch_all(Array)
3	source/class/discuz/discuz_table.php	110	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()