urgent: The plugin is havin an issue with the cart popup window

There are a few:

fb events :

https://www.dropbox.com/s/prlwf5s3qim58fy/fbevents.PNG?dl=0

it is mostly js error, but they are disrupting js execution.

Also , you can take a look at caching with this plugin here:

https://neahplugins.com/how-to-make-the-np-quote-plugin-work-with-page-caching/

basically, in your setting(normal checkout), exclude product page and the quote request page from being cached .