Problem with user groups

[JuniorWU]

Well, today I was trying to edit a user group on my forum, but this error is happening and do not know how to solve!

see below what appears when I try to edit:

Database error in vBulletin 3.8.4:

Invalid SQL:
UPDATE vb_usergroup SET

### UPDATE QUERY GENERATED BY fetch_query_sql() ###
`title` = 'Uploader',
`description` = '',
`usertitle` = 'Uploader',
`opentag` = '<span style=\"font-weight: bold; color: #692DAC;\">',
`closetag` = '</span>',
`passwordexpires` = '0',
`passwordhistory` = '0',
`ispublicgroup` = '0',
`canoverride` = '0',
`mgccustomusergroupperms` = '0',
`nbmsgshowchatbox` = '',
`forumpermissions` = '6013175',
`genericpermissions` = '1276657603',
`attachlimit` = '0',
`pmquota` = '150',
`pmpermissions` = '4',
`pmsendmax` = '5',
`pmthrottlequantity` = '0',
`calendarpermissions` = '0',
`wolpermissions` = '1',
`adminpermissions` = '0',
`genericpermissions2` = '1',
`genericoptions` = '63',
`profilepicmaxwidth` = '140',
`profilepicmaxheight` = '220',
`profilepicmaxsize` = '102400',
`avatarmaxwidth` = '150',
`avatarmaxheight` = '250',
`avatarmaxsize` = '102400',
`signaturepermissions` = '236799',
`sigpicmaxwidth` = '450',
`sigpicmaxheight` = '400',
`sigpicmaxsize` = '307200',
`sigmaxrawchars` = '1500',
`sigmaxchars` = '1000',
`sigmaxlines` = '6',
`sigmaxsizebbcode` = '7',
`sigmaximages` = '4',
`albumpermissions` = '255',
`albumpicmaxwidth` = '600',
`albumpicmaxheight` = '600',
`albumpicmaxsize` = '100000',
`albummaxpics` = '100',
`albummaxsize` = '0',
`usercsspermissions` = '63',
`visitormessagepermissions` = '63',
`socialgrouppermissions` = '55159',
`maximumsocialgroups` = '5',
`groupiconmaxsize` = '65535'
WHERE usergroupid=11;

MySQL Error : Unknown column 'mgccustomusergroupperms' in 'field list'
Error Number : 1054
Request Date : Monday, November 22nd 2010 @ 02:55:51 PM
Error Date : Monday, November 22nd 2010 @ 02:55:51 PM
Script : http://www.warezup.net/admincp/usergroup.php?do=update
Referrer : http://www.warezup.net/admincp/userg...usergroupid=11
IP Address : 187.40.197.189
Username : Raposo
Classname : vB_Database
MySQL Version : 5.0.91-community


Help-me please!!!!!!