No puedo crear nuevos temas y editar mensajes

Database error in vBulletin 4.0.3:

Invalid SQL:

                SELECT
                    fd.thumbnail_dateline, fd.filesize, IF(fd.thumbnail_filesize > 0, 1, 0) AS hasthumbnail, fd.thumbnail_filesize,
                    a.dateline, a.state, a.attachmentid, a.counter, a.contentid, a.filename, a.userid, a.settings, a.displayorder,
                    at.contenttypes
                FROM attachment AS a
                INNER JOIN filedata AS fd ON (fd.filedataid = a.filedataid)
                LEFT JOIN attachmenttype AS at ON (at.extension = fd.extension)
                WHERE
                    a.posthash = 'af04d7139910f6c6087494ddec09bd12'
                        AND
                    a.userid = 1
                        AND
                    a.contenttypeid = 1
            
ORDER BY a.contentid, a.displayorder;

MySQL Error   : Table 'chile0v8_vbulletinv384pl1.filedata' doesn't exist
Error Number  : 1146
Request Date  : Tuesday, June 1st 2010 @ 02:41:43 PM
Error Date    : Tuesday, June 1st 2010 @ 02:41:43 PM
Script        : http://chileplanet.org/newthread.php?do=newthread&f=9