plugin error vb and itrader

[bjf2k]

i tried to install the mod" itrader" but when i import the xml file
it give me this error
Database error in vBulletin 3.7.2:

Invalid SQL:
ALTER TABLE usergroup ADD itraderpermissions int(10) UNSIGNED NOT NULL default '0';

MySQL Error : Duplicate column name 'itraderpermissions'
Error Number : 1060
Request Date : Monday, June 30th 2008 @ 03:58:45 PM
Error Date : Monday, June 30th 2008 @ 03:58:46 PM
Script : http://www.fusionaw.com/forums/admincp/plugin.php?do=productimport
Referrer : http://www.fusionaw.com/forums/admincp/plugin.php?do=productadd

MySQL Version : 4.1.22-standard

anyone can help me out

[Opserty]

If you have questions regarding a modification please post in the modification thread/site/board from which you downloaded it as the author/other users will be the ones best able to assist you.

This is your error: MySQL Error : Duplicate column name 'itraderpermissions'
It appears you have installed the modification already or something.

[bjf2k]

i have created test datebase and test forum, and the hack works fine.
so I guess there might be something wrong with my original vb database and tables
I tried to run upgrade agian and again, and the problem is still there

--------------- Added 1214879414 at 1214879414 ---------------

i fixed the problem