@amrali
Dont know if can help but there is a list if alternatives to Recurly
https://www.g2.com/products/recurly/competitors/alternatives
@zero479
You xcan change theme to twenty twenty and turn off plugins if works the problem is with a conflict. They have a tutorial https://woocommerce.com/documentation/get-help/troubleshooting-get-help/. I think this is the step one you should do.