MySQL error in file: /engine/lazydev/related_link/related_link.php at line 119

Error Number: 1

The Error returned was:
Can't create/write to file '/var/tmp/#sql_61b_0.MAI' (Errcode: 28)

SQL query:

SELECT * FROM ((SELECT * FROM dle_post LEFT JOIN dle_post_extras ON (dle_post.id=dle_post_extras.news_id) WHERE approve='1' AND category IN ('-1') AND id<'30716' ORDER BY id DESC LIMIT 2) UNION (SELECT * FROM dle_post LEFT JOIN dle_post_extras ON (dle_post.id=dle_post_extras.news_id) WHERE approve='1' AND category IN ('-1') AND id>'30716' ORDER BY id ASC LIMIT 0)) as r ORDER BY r.id ASC