Unable to close popup

Hi,
I would like to ask a question about your free Popup wordpress plugin.
I’ve discovered today that I’am unable to close the popup, yesterday was all fine, and after an update to 1.2.2 which I did yesterday I spotted that it crashed, I am unable to close the popup which made him permanent.

Here is the link of the popup. I’m running it on WordPress 4.0.1 with multisite enabled.
songsforhalloween.com

https://wordpress.org/plugins/popups/