Item List NOT showing until “reload”

Good day everyone,

I have a problem using the plugin. When the website is loaded, and client clicks to “Quote Now” which is “request-a-quote” page with an empty yith quote list, seems that empty quote list will be “cached forever” as if we choose “return to shop”, select product and add to quote, going back to the “request-a-quote” page, the list is still empty until we “reload” that page, the items are shown. Has anyone has that issue before? That is bugging us for a couple of weeks, the YITH support and, the wordpress support both said that is not their problem. Thank you very much.

cheers,
Wayne

The page I need help with: [log in to see the link]