Got error 28 from storage engine->SELECT,c.username,c.comment, ,a.ref_category,a.added_date as article_added_date,a.article_title FROM article_comments c INNER JOIN articles a FORCE INDEX (id_and_category) ON c.ref_article = AND a.ref_category = '25' LEFT JOIN users u on = c.ref_user WHERE NOT a.is_deleted AND a.ref_article_status IN ('2','1','4') AND (a.abuse_votes_count < '4' OR a.ignore_abuse) AND (c.abuse_votes_count - c.recommended_votes_count < '3' OR c.ignore_abuse) AND NOT c.is_deleted GROUP BY ORDER BY DESC LIMIT 0, 8