Чем может быть вызвана такая ошибка поломка? dle

MySQL Error!
MySQL error in file: /engine/modules/topnews.php at line 37
Error Number: 1194
The Error returned was:
Table 'dle_post_extras' is marked as crashed and should be repaired
SQL query:

SELECT p.id, p.date, p.short_story, p.xfields, p.title, p.category, p.alt_name FROM dle_post p LEFT JOIN dle_post_extras e ON (p.id=e.news_id) WHERE p.approve=1 AND p.date >= '2013-02-19 01:16:52' - INTERVAL 1 MONTH AND p.date < '2013-02-19 01:16:52' ORDER BY rating DESC, comm_num DESC, news_read DESC, date DESC LIMIT 0,10