Getting the following on refresh:

Fatal error: Call to a member function get_timestamp() on a non-object in /var/www/mysite/sites/all/modules/memetracker/machine_learning_api.inc on line 585

And the following on viewing memetracker/1

Fatal error: Call to a member function get_source_link() on a non-object in /var/www/mysite/sites/all/modules/memetracker/meme.tpl.php on line 29