Currency not switching Automatically when visiting from other country with Nitropack On

Hi, we are using this plugin in our site from past few years, now we are having issues while using it, in below Loom recording you can see if i visit site from USA or India location then it need to switch currency to Dollar, but it is not switching, can you let me know how to fix this issue?

We are using Nitropack in out site.

Loom: https://www.loom.com/share/22df91e3b6d14e6e8421368e980c653d

Add this email as CC with this ticket: darren@courageous.co.uk