Issue: Historie tab throws Database error

Database error in vBulletin 3.8.1:

Invalid SQL:

		SELECT revision.*, user.username, user.usergroupid, user.membergroupids,
			MAX(previous.revisionid) AS prev_revisionid, MIN(next_rev.revisionid) AS next_revisionid
			, roll_rev.ipaddress AS targetipaddress, rolluser.username AS targetusername,
				previous.userid AS rolluserid, previous.username AS rollusername, previous.ipaddress AS rollipaddress
			
			
		FROM vault_revision AS revision
		LEFT JOIN vault_revision AS previous ON (previous.revisionid < revision.revisionid AND previous.threadid = revision.threadid)
		LEFT JOIN vault_revision AS next_rev ON (next_rev.revisionid > revision.revisionid AND next_rev.threadid = revision.threadid)
		LEFT JOIN user AS user ON (user.userid = revision.userid)
		
		LEFT JOIN vault_revision AS roll_rev ON (roll_rev.revisionid = revision.rollback)
		LEFT JOIN user AS rolluser ON (rolluser.userid = roll_rev.userid)
		
		
		WHERE revision.threadid = 11744
			
		GROUP BY revision.revisionid
		ORDER BY dateline DESC
		LIMIT 0,50;

MySQL Error   : Unknown column 'previous.username' in 'field list'
Error Number  : 1054
Request Date  : Friday, March 20th 2009 @ 03:44:33 PM
Error Date    : Friday, March 20th 2009 @ 03:44:33 PM
Script        : hxxp://www.pdatotaal.info/forum/showwiki.php?title=Default:GSM+Roaming&do=history