user warning: Table 'devdemocomms.twitter_api_calls' doesn't exist
query: SELECT count(DISTINCT(node.nid)) FROM node node LEFT JOIN og og ON node.nid = og.nid INNER JOIN twitter_api_calls twitter_api_calls ON og.nid = twitter_api_calls.gid in /var/www/hackbloc.org-5.x/www/includes/database.mysql.inc on line 174.
user warning: Table 'devdemocomms.twitter_api_calls' doesn't exist
query: SELECT DISTINCT(node.nid), og.description AS og_description, twitter_api_calls.gid AS twitter_api_calls_gid FROM node node LEFT JOIN og og ON node.nid = og.nid INNER JOIN twitter_api_calls twitter_api_calls ON og.nid = twitter_api_calls.gid GROUP BY node.nid LIMIT 0, 100 in /var/www/hackbloc.org-5.x/www/includes/database.mysql.inc on line 174.
Your query did not return any values. Its possible there are no comms nodes, or if you specified url arguments for time frame or vote value that there are no nodes that satisfy those values.