[yingzhou]

I have a bug with new version

when editing a forum I have this error:

Database error in vBulletin 3.7.4:

Invalid SQL:
UPDATE mst_forum SET
	title_clean = 'Member Pictures',
	title = 'Member Pictures',
	description_clean = '',
	description = '',
	link = '',
	displayorder = 1,
	parentid = 28,
	daysprune = -1,
	defaultsortfield = 'lastpost',
	defaultsortorder = 'desc',
	showprivate = 0,
	newpostemail = '',
	newthreademail = '',
	### Bitfield: mst_forum.options ###
		options = IF(options & 8, options - 8, options),
		options = IF(options & 16, options - 16, options),
		options = IF(options & 32, options - 32, options),
		options = IF(options & 32768, options - 32768, options),
		options = IF(options & 8192, options, options + 8192),
		options = IF(options & 4, options, options + 4),
		options = IF(options & 1, options, options + 1),
		options = IF(options & 2, options, options + 2),
		options = IF(options & 16384, options, options + 16384),
		options = IF(options & 256, options - 256, options),
		options = IF(options & 64, options, options + 64),
		options = IF(options & 128, options, options + 128),
		options = IF(options & 512, options, options + 512),
		options = IF(options & 1024, options, options + 1024),
		options = IF(options & 2048, options, options + 2048),
		options = IF(options & 4096, options, options + 4096),
		options = IF(options & 65536, options, options + 65536),
		options = IF(options & 131072, options - 131072, options),
		options = IF(options & 262144, options - 262144, options),
		options = IF(options & 524288, options - 524288, options),
		options = IF(options & 1048576, options - 1048576, options),
		options = IF(options & 2097152, options - 2097152, options),
	styleid = 0,
	imageprefix = '',
	password = '',
	categoryimagetable = '',
	vietkey_default = '1',
	chiefpost = 1,
	forum_hlfg = '0'
WHERE forumid = 201;

MySQL Error   : Unknown column 'vietkey_default' in 'field list'
Error Number  : 1054
Request Date  : Saturday, January 3rd 2009 @ 12:27:21 PM
Error Date    : Saturday, January 3rd 2009 @ 12:27:21 PM
Script        : 
Referrer      : 
IP Address    : 
Username      : yingzhouvn
Classname     : vB_Database
MySQL Version : 4.1.22-standard

I have temporary disable vietkey to edit a forum, then turn it on.