xbook7.com - Database Error

(1194) Table 'forum_threadimage' is marked as crashed and should be repaired

SELECT DISTINCT t.*, ti.attachment as attachmenturl, ti.remote FROM `forum_thread` t INNER JOIN `forum_threadimage` ti ON t.tid=ti.tid WHERE t.tid > 64901 AND t.readperm='0' AND t.special IN ('0') AND t.isgroup='0' AND t.displayorder>='0' ORDER BY t.views DESC LIMIT 0,5;

PHP Debug

No.	File	Line	Code
1	portal.php	32	require_once(%s)
2	source/module/portal/portal_index.php	32	include_once(%s)
3	data/template/2_diy_portal_index.tpl.php	385	include(%s)
4	data/template/2_2_common_footer.tpl.php	315	output()
5	source/function/function_core.php	1037	block_updatecache()
6	source/function/function_block.php	237	block_thread->getdata()
7	source/class/block/forum/block_thread.php	373	discuz_database::query()
8	source/class/discuz/discuz_database.php	142	db_driver_mysqli->query()
9	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt()
10	source/class/db/db_driver_mysqli.php	223	break()

Discuz! Database Error