MySQL error in file: /engine/modules/system.php at line 56

Error Number: 1

The Error returned was:
Can't create/write to file '/tmp/MYgnYoDK' (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 dle_category.parentid IN (40,41) AND dle_post.system IN ('android-3.0', 'android-2.3.3', 'android-2.3', 'android-2.2', 'android-2.1', 'android-2.0', 'android-1.6', 'android-1.5', 'android-1.0') ORDER BY FIELD (dle_post.system,'android-3.0', 'android-2.3.3', 'android-2.3', 'android-2.2', 'android-2.1', 'android-2.0', 'android-1.6', 'android-1.5', 'android-1.0') ASC, date DESC LIMIT 2430,18