YITH Request a quote not working( There was a problem in sending your request.)

Hello there, I have problems in YITH requesting a plugin for my company’s website. There are two problems I encountered: one is the site shows two request a quote button. Here is the link Pangom Insulated Jacket – Everest Outfit . and another is request quote button not working when I try to send a quote it shows (There was a problem in sending your request. Please try again.) Please help me with this. The site link is https://everestoutfit.com/

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