tech.cepsc.com - Database Error

(145) Table './tech_cepsc_com/forum_thread' is marked as crashed and should be repaired

SELECT DISTINCT t.* FROM `forum_thread` t WHERE t.readperm='0' AND t.fid IN ('442','103','101','102','108','99','100','139','17') AND t.isgroup='0' AND t.displayorder>='0' ORDER BY t.lastpost DESC LIMIT 0,10;

PHP Debug

No.	File	Line	Code
1	index.php	141	require(%s)
2	portal.php	32	require_once(%s)
3	source/module/portal/portal_index.php	32	include_once(%s)
4	data/template/1_diy_portal_index.tpl.php	5	include(%s)
5	data/template/1_1_common_footer.tpl.php	126	output()
6	source/function/function_core.php	1036	block_updatecache(%s)
7	source/function/function_block.php	237	block_thread->getdata(Array, Array)
8	source/class/block/forum/block_thread.php	372	discuz_database::query(%s)
9	source/class/discuz/discuz_database.php	142	db_driver_mysqli->query(%s, false, false)
10	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt(%s, %d, %s)
11	source/class/db/db_driver_mysqli.php	223	break()

Discuz! Database Error