Problema Con Actualizacion

Database error in vBulletin 3.8.4:

Invalid SQL:
ALTER TABLE groupmessage
            CHANGE groupid groupid INT UNSIGNED NOT NULL DEFAULT '0',
            CHANGE postuserid postuserid INT UNSIGNED NOT NULL DEFAULT '0',
            CHANGE postusername postusername VARCHAR(100) NOT NULL DEFAULT '',
            CHANGE dateline dateline INT UNSIGNED NOT NULL DEFAULT '0',
            CHANGE ipaddress ipaddress INT UNSIGNED NOT NULL DEFAULT '0';

MySQL Error   : Unknown column 'groupid' in 'groupmessage'
Error Number  : 1054
Request Date  : Saturday, March 27th 2010 @ 05:59:26 PM
Error Date    : Saturday, March 27th 2010 @ 05:59:28 PM
Script        : /foro/install/upgrade_370b3.php?step=2
Referrer      :/foro/install/upgrade_370b3.php?step=1
IP Address    : 
Username      : 
Classname     : vB_Database
MySQL Version : 5.0.81-community