[Plugin: Disqus Comment System] Warning Errors after update

Warning: include_once(/home/eileen19/public_html/strongincentives.com/wp-content/plugins/disqus-comment-system/upgrade.php) [function.include-once]: failed to open stream: No such file or directory in /home/eileen19/public_html/strongincentives.com/wp-content/plugins/disqus-comment-system/disqus.php on line 745

Warning: include_once() [function.include]: Failed opening '/home/eileen19/public_html/strongincentives.com/wp-content/plugins/disqus-comment-system/upgrade.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/eileen19/public_html/strongincentives.com/wp-content/plugins/disqus-comment-system/disqus.php on line 745

I’m pretty sure those are new. I don’t call seeing that before.