MySQL error in file: /engine/modules/show.full.php at line 49

Error Number: 145

The Error returned was:
Table './che/dleshka_post_extras' is marked as crashed and should be repaired

SQL query:

SELECT * FROM dleshka_post LEFT JOIN dleshka_post_extras ON (dleshka_post.id=dleshka_post_extras.news_id) WHERE id = '299912'