Issue: Problem upgrading to 2.3.0

Datenbankfehler in vBulletin 3.8.2:

Invalid SQL:

		SELECT  post.pagetext AS preview,
			thread.threadid, thread.title AS threadtitle, thread.forumid, pollid, open, postusername, postuserid, thread.iconid AS threadiconid,
			thread.dateline, notes, thread.visible, sticky, votetotal, thread.attach, thread.lastpost, thread.lastposter, thread.lastpostid, thread.replycount, IF(thread.views<=thread.replycount, thread.replycount+1, thread.views) AS views,
			thread.prefixid, thread.taglist, hiddencount, deletedcount
			, NOT ISNULL(subscribethread.subscribethreadid) AS issubscribed
			, deletionlog.userid AS del_userid, deletionlog.username AS del_username, deletionlog.reason AS del_reason
			, threadread.readtime AS threadread
			, threadredirect.expires
			,
	thread.title AS title, article.lastmodified,
	thread.title AS title, article.lastmodified
		FROM vb_3thread AS thread
			LEFT JOIN vb_3deletionlog AS deletionlog ON(thread.threadid = deletionlog.primaryid AND deletionlog.type = 'thread')
			 LEFT JOIN vb_3subscribethread AS subscribethread ON(subscribethread.threadid = thread.threadid AND subscribethread.userid = 1 AND canview = 1)
			 LEFT JOIN vb_3threadread AS threadread ON (threadread.threadid = thread.threadid AND threadread.userid = 1)
			LEFT JOIN vb_3post AS post ON(post.postid = thread.firstpostid)
			
			LEFT JOIN vb_3threadredirect AS threadredirect ON(thread.open = 10 AND thread.threadid = threadredirect.threadid)
			
LEFT JOIN vb_3vault_article AS article ON (thread.threadid = article.threadid)
LEFT JOIN vb_3vault_article AS article ON (thread.threadid = article.threadid)
		WHERE thread.threadid IN (0,75,78,76,105,108,106,102,128,101,79) 
		ORDER BY sticky DESC, thread.title;

MySQL-Fehler  : Not unique table/alias: 'article'
Fehler-Nr.    : 1066