PopUpPro Plugin updated invalid argument error for Exciter theme

Just updated to latest version of this:

PopUp Pro
Customizable, smart, responsive and beautiful pop-ups for WordPress.
Version 4.7.0.8

Now getting this error on the top of the website:

Warning: Invalid argument supplied for foreach() in /home/datacent/public_html/wp-content/plugins/popover/inc/class-popup-base.php on line 636