sterndata on "never seen this in 10 years of WP"

[Mon Jul 04 02:02:48 2016] [wa] [client 78.46.81.XX] mod_fcgid: stderr: WordPress errore sul database Duplicate entry '0' for key 'PRIMARY' per la query INSERT INTO wp_posts (post_author, post_date, post_date_gmt, post_content, post_content_filtered, post_title, post_excerpt, post_status, post_type, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_parent, menu_order, post_mime_type, guid) VALUES (1, '2016-07-04 02:02:48', '0000-00-00 00:00:00', '', '', 'Bozza automatica', '', 'auto-draft', 'post', 'open', 'open', '', '', '', '', '2016-07-04 02:02:48', '0000-00-00 00:00:00', 0, 0, '', '') fatta da wp_dashboard, do_meta_boxes, call_user_func, wp_dashboard_quick_press, get_default_post_to_edit, wp_insert_post

Thanks Tara!