user warning.

user warning: Unknown table 'og_ancestry' in where clause query: SELECT DISTINCT(node.nid), node_data_field_start_time.field_start_time_value AS node_data_field_start_time_field_start_time_value, node.title AS node_title, node.changed AS node_changed FROM node node LEFT JOIN content_type_event node_data_field_start_time ON node.vid = node_data_field_start_time.vid LEFT JOIN workflow_node workflow_node ON node.nid = workflow_node.nid WHERE (node.status = '1') AND (node.type IN ('event')) AND (( REPLACE(node_data_field_start_time.field_start_time_value,'T',' ') + INTERVAL (-28800) SECOND) > ((NOW() - INTERVAL -25200 SECOND) + INTERVAL (-28800) SECOND)) AND (workflow_node.sid IN ('2','3')) AND (og_ancestry.group_nid = 677) ORDER BY node_data_field_start_time_field_start_time_value ASC LIMIT 0, 10 in /home/rockth5/public_html/includes/database.mysql.inc on line 167.

I'm getting this error when editing a category in the about us Container

This error persisted and followed me around the site as I did other tasks. I logged out and logged back in. It was still there. Here's another one:

user warning: Unknown table 'og_ancestry' in where clause query: SELECT DISTINCT(node.nid), node_data_field_start_time.field_start_time_value AS node_data_field_start_time_field_start_time_value, node.title AS node_title, node.changed AS node_changed FROM node node LEFT JOIN content_type_event node_data_field_start_time ON node.vid = node_data_field_start_time.vid LEFT JOIN workflow_node workflow_node ON node.nid = workflow_node.nid WHERE (node.status = '1') AND (node.type IN ('event')) AND (( REPLACE(node_data_field_start_time.field_start_time_value,'T',' ') + INTERVAL (-28800) SECOND) > ((NOW() - INTERVAL -25200 SECOND) + INTERVAL (-28800) SECOND)) AND (workflow_node.sid IN ('2','3')) AND (og_ancestry.group_nid = 82) ORDER BY node_data_field_start_time_field_start_time_value ASC LIMIT 0, 10 in /home/rockth5/public_html/includes/database.mysql.inc on line 167.