[1320Nation]

Database error in vBulletin 3.7.3:

Invalid SQL:
ALTER TABLE board_nominate_topic_thread ADD `is_manual` TINYINT(1) UNSIGNED DEFAULT '0' NOT NULL;

MySQL Error : Duplicate column name 'is_manual'
Error Number : 1060
Request Date : Sunday, September 20th 2009 @ 04:24:09 PM
Error Date : Sunday, September 20th 2009 @ 04:24:59 PM
Script : http://www.*****.com/forums/admincp/...=productimport
Referrer : http://www.*****.com/forums/admincp/...?do=productadd
IP Address : ***.***.27.224
Username : ******
Classname : vB_Database
MySQL Version : 5.0.45

I got the above error while importing the product. Any ideas for a cure?