You cannot subscribe to this application because you don't have permission.
show me above sentence when i want to try
Unfortunately, all apps on eBay's app center are only available for eBay.com seller accounts. That's why you are receiving this error message.
However we do offer a version of Feedback Reminder outside of eBay's app center that is also available for international accounts.
You can sign up to it on our site: www.feedback-reminder.com
Let me know if you need help with anything else.