An error of level User Error was generated in file
/www/ems/mpacms/mercury/phplib/common/Mc_Debug.php on line 1611.  The
error message was:

mercury error 2013: Lost connection to MySQL server during query
sql='
	SELECT 
		a.id, 
		a.title, 
		a.sub_title,
		a.summary,
		a.article_type,
		a.author,
		mc_mediasetfile.filename
	FROM
		mc_cms_article_tyh a
	LEFT JOIN 
		mc_mediaslot ON (mc_mediaslot.itemid = a.id AND mc_mediaslot.itemtype IN
('TYH') AND mc_mediaslot.slotnumber = 1) 
	LEFT JOIN 
		mc_mediaset ON (mc_mediaslot.mediasetid = mc_mediaset.id AND
mc_mediaset.mediatype = '1') 
	LEFT JOIN 
		mc_mediasetfile ON (mc_mediaset.id = mc_mediasetfile.mediasetid) 
	WHERE
		a.issue_tyh = '99'
	GROUP BY
		a.id
	ORDER BY
		a.article_type,
		rand()
	'