If you are paying for a subscription but you are still confronted with a message saying "please purchase a subscription" then check with which account your are logged into the Passionflix service. It might be that you have created a second account that has no active subscription. In that case logout and login with the correct email address. if you should have forgotten the login credentials then please contact customer support at firstname.lastname@example.org and we will help you out.
If you receive another error message please check out our technical help section for your specific device. There you will find basic troubleshooting guidelines that you can go through first.