To make the paid subscriptions work well, you need to do the following steps:
- Activete the custom permission from User setting/Permissions.
- “Select ON to can add a custom permission”, Choose it ON.
- Set the permissions for the “Register in default group” like you chose it from User setting/Register Setting, this will be as a free subscription.
- Set the permissions for the “Paid group for the subscriptions” like you chose it from Payment setting/Subscriptions, this will be as a paid subscription.