I have prolonged PRO (paid) but the system doesn't see it.... It still demands me to pay and upgrade to pro.
Last time I had the same situation (one year ago)...
Thank you very much for your support!
Your Pro account has been updated. Please check.
Sorry that the problem has bothered you for long. It was caused by Google's change of code in Google play. We've had solution and will fix it this month.
If you still have any problems, please tell us.
Have a great day!