The code is bad, you can easily tell no efforts were made to make it compatible with nextjs, it obviously looks converted in a cheap way
Author response
Thank you very much for your response. For the next project, we have provided everything to work properly and if you have any problem you can contact us through support mail or tell us through support mail because we don't have received support mail from you. We are providing fast support to all customers from our end. Hope you will consider changing your ratings.
thank you