db_query: SQL query error <em>Can't create/write to file '/tmp/#sql_19_0.MAI' (Errcode: 28 "No space left on device")</em> in [SELECT DISTINCT task.group_id,task.priority,task.privacy,task.status_id,task.submitted_by ,task.bug_id,task.summary,task.date,user_assigned_to.user_name AS assigned_to,user_submitted_by.user_name AS submitted_by FROM task ,user user_assigned_to,user user_submitted_by WHERE task.group_id='145' AND (task.spamscore &lt; 5  OR submitted_by=0)  AND task.status_id IN (1)  AND user_assigned_to.user_id=task.assigned_to  AND user_submitted_by.user_id=task.submitted_by   ORDER BY bug_id DESC  LIMIT 0,50]