WordPress: Torberta

WordPress database error: [Disk full (/var/tmp/#sql_467e_0); waiting for someone to free some space...]
SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM wp_posts INNER JOIN wp_postmeta ON ( wp_posts.ID = wp_postmeta.post_id ) WHERE 1=1 AND wp_posts.post_parent = 10537 AND ( wp_postmeta.meta_key = '_bbp_last_active_time' ) AND wp_posts.post_type = 'topic' AND (wp_posts.post_status = 'publish' OR wp_posts.post_status = 'closed') GROUP BY wp_posts.ID ORDER BY wp_postmeta.meta_value DESC LIMIT 0, 15

WordPress database error: [Disk full (/var/tmp/#sql_467e_0); waiting for someone to free some space...]
SELECT t.*, tt.*, tr.object_id FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON t.term_id = tt.term_id INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ('topic-tag') AND tr.object_id IN (10539) ORDER BY t.name ASC