Incorrect key file for table 'mp_users'; try to repair it
SELECT a.tid,a.subject,a.section,a.url,a.fulltxt,a.allowhtml,a.bbcodeoff,a.alias,a.comments,a.dateline,a.eventdate,a.eventdatend, a.intro, s.sname, s.snamr, u.name, u.email FROM mp_articles a, mp_sections s, mp_users u WHERE s.sid=a.section AND a.closed='no' AND a.section='1' AND u.uid=a.userid ORDER BY a.dateline DESC LIMIT 0,2