Syndic refuse d'écrire aux propriétaires/locataires

SELECT u.email, u.title, u.url, u.location, u.signature, u.email_setting, u.num_posts, u.registered, u.admin_note, p.id, p.poster AS username, p.poster_id, p.poster_ip, p.poster_email, p.message, p.hide_smilies, p.posted, p.edited, p.edited_by, p.likes, g.g_id, g.g_user_title, o.user_id AS is_online FROM bb_posts AS p INNER JOIN bb_users AS u ON u.id=p.poster_id INNER JOIN bb_groups AS g ON g.g_id=u.group_id LEFT JOIN bb_online AS o ON (o.user_id=u.id AND o.user_id!=1 AND o.idle=0) WHERE p.id IN (1892252,1892253,1892254,1892265,1892267,1892714,1892722,1892723,1892729,1892731,1892734,1892739,1892741,1892742,1892813,1892828,1892839,1892885,1892886,1892912,1892145) ORDER BY p.id ASC<==req Disk full (/var/tmp/#sql_7c0_0); waiting for someone to free some space...