MySQL error in file: /engine/modules/show.full.php at line 43

Error Number: 145

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

SQL query:

SELECT * FROM dle_post LEFT JOIN dle_post_extras ON (dle_post.id=dle_post_extras.news_id) WHERE id = '5840'