Database error in vBulletin 3.8.9 Beta 2:

Invalid SQL:

			(SELECT permissions, permissions2, FIND_IN_SET(forumid, '2,1,-1') AS pos, forumid
			FROM moderator
			WHERE userid = 1 AND forumid IN (2,1,-1)
			ORDER BY pos ASC
			LIMIT 1)
			UNION
			(SELECT permissions, permissions2, 0, forumid
			FROM moderator
			WHERE userid = 1 AND forumid = -1
			);

MySQL Error   : 
Error Number  : 
Request Date  : Monday, December 5th 2016 @ 09:24:30 PM
Error Date    : Monday, December 5th 2016 @ 09:24:30 PM
Script        : http://www.*******.com/newthread.php?do=newthread&f=2
Referrer      : http://www.*******.com/main-forum/
IP Address    : 93.89.225.XXX
Username      : Admin
Classname     : vB_Database_MySQLi
MySQL Version :