Hi, we're having a multitude of issues with Membership 2 Pro. Here is one:
To cancel a membership we're using an unsubscribe button (we need a custom membership page). However the unsubscribe button for some reason is linked to paypal sandbox mode rather than live mode. For our production site, paypal is configured for live, not sandbox. We're not sure where this value is being pulled. My developer can add more detail in future posts. I've attached several screen shots so you can see the path the user will take. I can send you login info in a private email if you follow up.