Can't execute query

SELECT s.name, s.descriptor, sum(t.ostatok) as ccn
					FROM tiporazmer as t LEFT JOIN model as m ON m.id = t.model_id
					LEFT JOIN struktura as s ON s.id = m.struktura
					WHERE t.ostatok > 0 group by s.name order by ccn DESC

MySQL Error: Out of resources when opening file './vseshini/model.MYD' (Errcode: 24)

This script cannot continue, terminating.