Database error when i try to edit usergroups

[cafenetland]

hi guys.

when i try to edit any of usergroups im getting this error.
what can i do to fix this problem.
thx

PHP Code:

Database error in vBulletin 3.6.8:

Invalid SQL:
UPDATE usergroup SET

### UPDATE QUERY GENERATED BY fetch_query_sql() ###
    `title` = 'Registered Users',
    `description` = '',
    `usertitle` = '',
    `opentag` = '<b><font face=Arial  color=#cc6600 size=2,3>',
    `closetag` = '</font ></b>',
    `passwordexpires` = '0',
    `passwordhistory` = '0',
    `forumpermissions` = '782847',
    `attachlimit` = '0',
    `pmquota` = '50',
    `pmpermissions` = '3',
    `pmsendmax` = '5',
    `calendarpermissions` = '63',
    `wolpermissions` = '1',
    `adminpermissions` = '0',
    `genericpermissions` = '472389319',
    `genericoptions` = '60',
    `profilepicmaxwidth` = '170',
    `profilepicmaxheight` = '220',
    `profilepicmaxsize` = '65535',
    `avatarmaxwidth` = '170',
    `avatarmaxheight` = '220',
    `avatarmaxsize` = '20000',
    `signaturepermissions` = '235519',
    `sigpicmaxwidth` = '170',
    `sigpicmaxheight` = '220',
    `sigpicmaxsize` = '40000',
    `sigmaxrawchars` = '1000',
    `sigmaxchars` = '500',
    `sigmaxlines` = '0',
    `sigmaxsizebbcode` = '3',
    `sigmaximages` = '1',
    `nbmsgshowchatbox` = '',
    `mgccustomusergroupperms` = '0',
    `mp3playergrouppermissions` = '1'
WHERE usergroupid=2;

MySQL Error  : Unknown column 'nbmsgshowchatbox' in 'field list'
Error Number : 1054