MySQL error in file: /engine/modules/languages.php at line 82

Error Number: 1

The Error returned was:
Can't create/write to file '/tmp/MY3xKusR' (OS errno 28 - No space left on device)

SQL query:

SELECT SQL_CALC_FOUND_ROWS dle_post.*, dle_category.id AS main__cat, dle_category.parentid, dle_category.posi FROM dle_post LEFT JOIN dle_category ON dle_post.category = dle_category.id WHERE approve='1' AND allow_main='1' AND languages = 'ru' AND dle_category.parentid IN (40) ORDER BY date DESC LIMIT 0,18