Ошибка БД

Error Number: 3

Error writing file '/tmp/MY5Q1Knx' (Errcode: 28 - No space left on device)

SELECT DISTINCT items_ru.name, items_ru.img, items_ru.alias, items_ru.id, items_ru.letter FROM (items_ru) JOIN items_to_regions AS itr ON itr.id_item = items_ru.id WHERE `itr`.`id_region` = '7' AND `items_ru`.`type` = 2 ORDER BY name asc