WordPress Database error Errcode 2

[Can’t create/write to file ‘/mysql-temp/#sql_2f8_0.MYI’ (Errcode: 2)]

I put in 2 new links yesterday and today this junk pops up on my sidebar where links etc should be — What can i do? I even took the links widget down and this junk is still listed in sidebar with this junk:

SELECT t.*, tt.*, tr.object_id FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN (‘category’, ‘post_tag’) AND tr.object_id IN (582, 566, 490,