Attachment Tabelle bei Update nicht korrekt übernommen

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ALTER TABLE bb1_attachments
    ADD privatemessageid int(11) unsigned NOT NULL DEFAULT '0' AFTER postid,
    ADD INDEX privatemessageid (privatemessageid);

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SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: SELECT (SUM(attachmentsize) + SUM(thumbnailsize)) as total_attachment_filesize FROM bb1_attachments WHERE userid='358' AND (postid <> 0 OR privatemessageid <> 0)
mysql error: Unknown column 'thumbnailsize' in 'field list'
mysql error number: 1054
mysql version: 4.1.11-Debian_4sarge7-log
php version: 4.4.0
Date: 23.06.2007 @ 22:44
Script: /usercp.php?action=attachments
Referer: http://renaultforum.com/usercp.php?sid= 

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ALTER TABLE bb1_attachments
    ADD thumbnailextension varchar(7) NOT NULL DEFAULT '' AFTER attachmentsize,
    ADD thumbnailsize int(11) unsigned NOT NULL DEFAULT '0' AFTER thumbnailextension,
    ADD idhash varchar(32) NOT NULL DEFAULT '' AFTER counter,
    ADD uploadtime int(11) unsigned NOT NULL DEFAULT '0' AFTER idhash;