we create a course with 05 free classes, from the sixth class is paid, so when it arrives at this point the button "buy this course" is presented, but that it does nothing it does not go anywhere, it was expected that it would go to the course purchase page (which is linked to the course in woocommerce)
https://www.dropbox.com/s/juaw9p130wmi6g2/Captura%20de%20tela%202018-08-30%2009.18.43.png?dl=0
@rafaelreinehr
You are using the sell unit shortcode. Make sure the shortcode has the correct product id.
If still it is not resolved then share your admin credentials here. I will check this on your site
P.S. Mark your reply private while sharing the credentials