[Oria]

i can not uninstall this mod, the eror is :

Database error in vBulletin 3.7.2:

Invalid SQL:
ALTER TABLE `user`
  DROP `wwu002activitybd`;

MySQL Error   : Can't DROP 'wwu002activitybd'; check that column/key exists
Error Number  : 1091
Request Date  : Sunday, September 14th 2008 @ 06:26:59 PM
Error Date    : Sunday, September 14th 2008 @ 06:27:00 PM
Script        : http://.....com/admincp/plugin.php?do=productkill
Referrer      : http://....com/admincp/plugin.php?do=productdelete&productid=wwu002&s=
IP Address    : 
Username      : System
Classname     : vb_database
MySQL Version : 4.1.22-standard

if i enable this product my board dead and i cant uninstall it !

help :O ?