Warnings and problems after installing OpenPublish

Hi!

I just now installed OP on a site of mine - but I I'm having lots of user warnings... These come on the homepage alone:

user warning: Unknown column 'node_data_field_thumbnail_image.field_thumbnail_image_fid' in 'field list' query: SELECT node.nid AS nid, node_data_field_thumbnail_image.field_thumbnail_image_fid AS node_data_field_thumbnail_image_field_thumbnail_image_fid, node_data_field_thumbnail_image.field_thumbnail_image_list AS node_data_field_thumbnail_image_field_thumbnail_image_list, node_data_field_thumbnail_image.field_thumbnail_image_data AS node_data_field_thumbnail_image_field_thumbnail_image_data, node.language AS node_language, node.type AS node_type, node.vid AS node_vid, node_data_field_main_image.field_main_image_fid AS node_data_field_main_image_field_main_image_fid, node_data_field_main_image.field_main_image_list AS node_data_field_main_image_field_main_image_list, node_data_field_main_image.field_main_image_data AS node_data_field_main_image_field_main_image_data, node.created AS node_created, node.title AS node_title, node_node_data_field_op_author.title AS node_node_data_field_op_author_title, node_node_data_field_op_author.nid AS node_node_data_field_op_author_nid, node_node_data_field_op_author.language AS node_node_data_field_op_author_language, node_node_data_field_op_author_1.title AS node_node_data_field_op_author_1_title, node_node_data_field_op_author_1.nid AS node_node_data_field_op_author_1_nid, node_node_data_field_op_author_1.language AS node_node_data_field_op_author_1_language, node_data_field_teaser.field_teaser_value AS node_data_field_teaser_field_teaser_value, node_data_field_teaser.field_teaser_format AS node_data_field_teaser_field_teaser_format, node_revisions.teaser AS node_revisions_teaser, node_revisions.format AS node_revisions_format, node.sticky AS node_sticky, DATE_FORMAT((FROM_UNIXTIME(node.created) + INTERVAL 7200 SECOND), '%Y%m%d') AS node_created_day FROM node node LEFT JOIN content_field_op_author node_data_field_op_author ON node.vid = node_data_field_op_author.vid AND node_data_field_op_author.delta = 0 LEFT JOIN node node_node_data_field_op_author ON node_data_field_op_author.field_op_author_nid = node_node_data_field_op_author.nid LEFT JOIN content_field_op_author node_data_field_op_author2 ON node.vid = node_data_field_op_author2.vid AND node_data_field_op_author2.delta = 1 LEFT JOIN node node_node_data_field_op_author_1 ON node_data_field_op_author2.field_op_author_nid = node_node_data_field_op_author_1.nid LEFT JOIN content_type_article node_data_field_thumbnail_image ON node.vid = node_data_field_thumbnail_image.vid LEFT JOIN content_field_main_image node_data_field_main_image ON node.vid = node_data_field_main_image.vid LEFT JOIN content_field_teaser node_data_field_teaser ON node.vid = node_data_field_teaser.vid LEFT JOIN node_revisions node_revisions ON node.vid = node_revisions.vid WHERE (node.type in ('article')) AND (node.status <> 0) ORDER BY node_sticky DESC, node_created_day DESC, node_title ASC LIMIT 1, 5 in /var/www/.../views/includes/view.inc on line 771.
user warning: Unknown column 'node_node_data_field_op_author_node_data_field_author_photo.fiel' in 'field list' query: SELECT node.nid AS nid, node_node_data_field_op_author_node_data_field_author_photo.field_author_photo_fid AS node_node_data_field_op_author_node_data_field_author_photo_field_author_photo_fid, node_node_data_field_op_author_node_data_field_author_photo.field_author_photo_list AS node_node_data_field_op_author_node_data_field_author_photo_field_author_photo_list, node_node_data_field_op_author_node_data_field_author_photo.field_author_photo_data AS node_node_data_field_op_author_node_data_field_author_photo_field_author_photo_data, node_node_data_field_op_author.nid AS node_node_data_field_op_author_nid, node_node_data_field_op_author.language AS node_node_data_field_op_author_language, node_node_data_field_op_author.type AS node_node_data_field_op_author_type, node_node_data_field_op_author.vid AS node_node_data_field_op_author_vid, node_node_data_field_op_author.title AS node_node_data_field_op_author_title, node_node_data_field_op_author_1.title AS node_node_data_field_op_author_1_title, node_node_data_field_op_author_1.nid AS node_node_data_field_op_author_1_nid, node_node_data_field_op_author_1.language AS node_node_data_field_op_author_1_language, node.created AS node_created, node.title AS node_title, node.language AS node_language, node_data_field_teaser.field_teaser_value AS node_data_field_teaser_field_teaser_value, node_data_field_teaser.field_teaser_format AS node_data_field_teaser_field_teaser_format, node.type AS node_type, node.vid AS node_vid, node.sticky AS node_sticky, DATE_FORMAT((FROM_UNIXTIME(node.created) + INTERVAL 7200 SECOND), '%Y%m%d') AS node_created_day FROM node node LEFT JOIN content_field_op_author node_data_field_op_author ON node.vid = node_data_field_op_author.vid AND node_data_field_op_author.delta = 0 LEFT JOIN node node_node_data_field_op_author ON node_data_field_op_author.field_op_author_nid = node_node_data_field_op_author.nid LEFT JOIN content_field_op_author node_data_field_op_author2 ON node.vid = node_data_field_op_author2.vid AND node_data_field_op_author2.delta = 1 LEFT JOIN node node_node_data_field_op_author_1 ON node_data_field_op_author2.field_op_author_nid = node_node_data_field_op_author_1.nid LEFT JOIN content_type_author node_node_data_field_op_author_node_data_field_author_photo ON node_node_data_field_op_author.vid = node_node_data_field_op_author_node_data_field_author_photo.vid LEFT JOIN content_field_teaser node_data_field_teaser ON node.vid = node_data_field_teaser.vid WHERE (node.status <> 0) AND (node.type in ('blog')) ORDER BY node_sticky DESC, node_created_day DESC, node_title ASC LIMIT 0, 3 in /var/www/.../views/includes/view.inc on line 771.
user warning: Unknown column 'node_data_field_op_slideshow_thumb.field_op_slideshow_thumb_fid' in 'field list' query: SELECT node.nid AS nid, node_data_field_op_slideshow_thumb.field_op_slideshow_thumb_fid AS node_data_field_op_slideshow_thumb_field_op_slideshow_thumb_fid, node_data_field_op_slideshow_thumb.field_op_slideshow_thumb_list AS node_data_field_op_slideshow_thumb_field_op_slideshow_thumb_list, node_data_field_op_slideshow_thumb.field_op_slideshow_thumb_data AS node_data_field_op_slideshow_thumb_field_op_slideshow_thumb_data, node.language AS node_language, node.type AS node_type, node.vid AS node_vid, node_data_field_main_image.field_main_image_fid AS node_data_field_main_image_field_main_image_fid, node_data_field_main_image.field_main_image_list AS node_data_field_main_image_field_main_image_list, node_data_field_main_image.field_main_image_data AS node_data_field_main_image_field_main_image_data, node_data_field_op_video_thumbnail.field_op_video_thumbnail_fid AS node_data_field_op_video_thumbnail_field_op_video_thumbnail_fid, node_data_field_op_video_thumbnail.field_op_video_thumbnail_list AS node_data_field_op_video_thumbnail_field_op_video_thumbnail_list, node_data_field_op_video_thumbnail.field_op_video_thumbnail_data AS node_data_field_op_video_thumbnail_field_op_video_thumbnail_data, node_data_field_op_audio_thumbnail.field_op_audio_thumbnail_fid AS node_data_field_op_audio_thumbnail_field_op_audio_thumbnail_fid, node_data_field_op_audio_thumbnail.field_op_audio_thumbnail_list AS node_data_field_op_audio_thumbnail_field_op_audio_thumbnail_list, node_data_field_op_audio_thumbnail.field_op_audio_thumbnail_data AS node_data_field_op_audio_thumbnail_field_op_audio_thumbnail_data, node.title AS node_title, node_data_field_teaser.field_teaser_value AS node_data_field_teaser_field_teaser_value, node_data_field_teaser.field_teaser_format AS node_data_field_teaser_field_teaser_format, node.sticky AS node_sticky, node.created AS node_created FROM node node LEFT JOIN content_type_slideshow node_data_field_op_slideshow_thumb ON node.vid = node_data_field_op_slideshow_thumb.vid LEFT JOIN content_field_main_image node_data_field_main_image ON node.vid = node_data_field_main_image.vid LEFT JOIN content_type_video node_data_field_op_video_thumbnail ON node.vid = node_data_field_op_video_thumbnail.vid LEFT JOIN content_type_audio node_data_field_op_audio_thumbnail ON node.vid = node_data_field_op_audio_thumbnail.vid LEFT JOIN content_field_teaser node_data_field_teaser ON node.vid = node_data_field_teaser.vid WHERE (node.status <> 0) AND (node.type in ('audio', 'slideshow', 'video')) ORDER BY node_sticky DESC, node_created DESC, node_title ASC LIMIT 0, 3 in /var/www/.../views/includes/view.inc on line 771.
user warning: Unknown column 'node_data_field_event_date.field_event_date_value' in 'where clause' query: SELECT COUNT(*) FROM (SELECT node.nid AS nid FROM node node LEFT JOIN content_type_event node_data_field_event_date ON node.vid = node_data_field_event_date.vid LEFT JOIN content_field_teaser node_data_field_teaser ON node.vid = node_data_field_teaser.vid WHERE ((node.type in ('event')) AND (node.status <> 0)) AND (DATE_FORMAT(STR_TO_DATE(node_data_field_event_date.field_event_date_value, '%Y-%m-%dT%T'), '%Y-%m-%d') >= '2010-04-28') ) count_alias in /var/www/.../views/includes/view.inc on line 745.
user warning: Unknown column 'node_data_field_event_date.field_event_date_value' in 'field list' query: SELECT node.nid AS nid, node_data_field_event_date.field_event_date_value AS node_data_field_event_date_field_event_date_value, node_data_field_event_date.field_event_date_value2 AS node_data_field_event_date_field_event_date_value2, node.language AS node_language, node.type AS node_type, node.vid AS node_vid, node.title AS node_title, node_data_field_teaser.field_teaser_value AS node_data_field_teaser_field_teaser_value, node_data_field_teaser.field_teaser_format AS node_data_field_teaser_field_teaser_format, node.sticky AS node_sticky FROM node node LEFT JOIN content_type_event node_data_field_event_date ON node.vid = node_data_field_event_date.vid LEFT JOIN content_field_teaser node_data_field_teaser ON node.vid = node_data_field_teaser.vid WHERE ((node.type in ('event')) AND (node.status <> 0)) AND (DATE_FORMAT(STR_TO_DATE(node_data_field_event_date.field_event_date_value, '%Y-%m-%dT%T'), '%Y-%m-%d') >= '2010-04-28') ORDER BY node_sticky DESC, node_data_field_event_date_field_event_date_value ASC, node_title ASC LIMIT 0, 2 in /var/www/.../views/includes/view.inc on line 771.

Can someone please tell me what is going on here?

Thanks.

Christopher