Help with SQL Error Please

[themajor]

Earlier tonight I attempted to install MGC Chat Box and did not like it so I uninstalled and now I am getting this error when attempting to update the admin user group...

Database error in vBulletin 3.6.8:

Invalid SQL:
UPDATE usergroup SET

### UPDATE QUERY GENERATED BY fetch_query_sql() ###
`title` = 'Administrators',
`description` = '',
`usertitle` = 'Administrator',
`opentag` = '',
`closetag` = '',
`passwordexpires` = '180',
`passwordhistory` = '360',
`forumpermissions` = '1048575',
`genericpermissions` = '1073741759',
`attachlimit` = '0',
`pmquota` = '500',
`pmpermissions` = '7',
`pmsendmax` = '5',
`calendarpermissions` = '63',
`wolpermissions` = '31',
`adminpermissions` = '3',
`genericoptions` = '55',
`profilepicmaxwidth` = '100',
`profilepicmaxheight` = '100',
`profilepicmaxsize` = '65535',
`avatarmaxwidth` = '250',
`avatarmaxheight` = '250',
`avatarmaxsize` = '20000',
`signaturepermissions` = '237567',
`sigpicmaxwidth` = '500',
`sigpicmaxheight` = '100',
`sigpicmaxsize` = '10000',
`sigmaxrawchars` = '0',
`sigmaxchars` = '0',
`sigmaxlines` = '0',
`sigmaxsizebbcode` = '7',
`sigmaximages` = '0',
`mgccustomusergroupperms` = '0',
`nbmsgshowchatbox` = ''
WHERE usergroupid=6;

MySQL Error : Unknown column 'mgccustomusergroupperms' in 'field list'
Error Number : 1054
Date : Wednesday, September 12th 2007 @ 09:16:26 PM
Script : http:**************admincp/usergroup.php?do=update
Referrer : http:****************admincp/usergroup.php?do=edit&usergroupid=6
IP Address : ********
Username : ******
Classname : vb_database

can anyone help me?