Get a PHP error in WP 4.4

Upon updating to the latest version of WordPress the site broke, and threw a WP_Screen’ not found error with the file /wp-content/plugins/calpress-pro/app/helper/class-calp-attends-list-table-helper.php

I know this plugin hasn’t been updated in awhile, but I just wanted to leave this here for any developers doing maintenance on existing sites using this plugin so they can avoid this issue.

https://www.ads-software.com/plugins/calpress-event-calendar/