A Database Error Occurred

Error Number: 1

Can't create/write to file '/tmp/#sql_609_0.MAI' (Errcode: 28 "No space left on device")

SELECT `id`, `photo_id`, `name`, `url`, `author`, `press`, `content`, `bypilger`, `buynow`, `added`, `modified`, unix_timestamp(added) as t_added, unix_timestamp(modified) as t_modified, `position` FROM (`dvd`) WHERE id != 20 ORDER BY rand() LIMIT 2