Paid for Premium but cant use its functions

I paid 199 for premium package. Plugin has never worked. As I investigate why people cant submit a listing, it indicates I need a payment gateway but it wants to charge me. I have the following listed on my wordpress site:
does not appear you have any of the payment gateway modules installed. You need to purchase a payment gateway module in order to charge a fee for listings. To purchase payment gateways use the buttons below or visit

https://businessdirectoryplugin.com/premium-modules/
But I researched my receipt and says Stripe, Payfast, etc are all included.

https://www.ads-software.com/plugins/business-directory-plugin/