Ошибка DB:

Can't create/write to file '/var/tmp/#sql_23aa_25.MAI' (Errcode: 28 "No space left on device")

SELECT `news`.*, `category`.`name`, `category`.`cat_chpu` FROM `news` LEFT JOIN `category` ON `news`.`cat`=`category`.`id` WHERE `category`.`cat_chpu`='news' ORDER BY RAND() LIMIT 3