Weird Error

We’re getting a very weird error at http://www.blogforcox.com on the sidebar:

Can’t create/write to file ‘/tmp/#sql_6e72_0.MYD’ (Errcode: 17)]
SELECT * , IF (DATE_ADD(link_updated, INTERVAL 120 MINUTE) >= NOW(), 1,0) as recently_updated FROM wp_links LEFT JOIN wp_link2cat ON (wp_links.link_id = wp_link2cat.link_id) WHERE 1=1 AND link_visible = ‘Y’ AND ( category_id = 9 ) ORDER BY link_name ASC