unknown column field errors

Ran cron.php and it returned these errors:

Warning: Unknown column 'field_om_airing_mpeg2_value' in 'field list' query: SELECT field_om_airing_mpeg2_value, vid FROM content_type_om_airing WHERE field_om_show_pid_nid IS NULL in /usr/local/share/drupal/v6/core/drupal-6.17/includes/database.mysqli.inc on line 128

Warning: Unknown column 'field_om_airing_filename_value' in 'field list' query: SELECT field_om_airing_filename_value, vid FROM content_type_om_airing WHERE field_om_show_pid_nid IS NULL in /usr/local/share/drupal/v6/core/drupal-6.17/includes/database.mysqli.inc on line 128