Advanced editing does not work

When I click on Advanced editing I get the following error:
SQL/DB Error:
[Unknown column ‘post_excerpt’ in ‘field list’]
INSERT INTO photoposts (ID, post_author, post_date, post_content, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping) VALUES (‘0’, ‘1’, ‘2004-04-23 14:38:15’, ”, ”, ”, ‘draft’, ‘open’, ‘open’, ”, ”, ”)
Warning: Cannot add header information – headers already sent by (output started at /customers/oppenbok.com/oppenbok.com/httpd.www/photogal/wp-includes/wp-db.php:106) in /customers/oppenbok.com/oppenbok.com/httpd.www/photogal/wp-admin/post.php on line 158
my site url: https://www.oppenbok.com
What is<wrong?
i have upgreded from b2, is that a problem?