There are various issues related to Apple/Google account settings or changes that might occur outside of our direct knowledge.

Here are some common issues and temporary solutions:

1. Simple Payment Error (after payment has been charged)

  - Temporary solution: Use the purchase restoration feature

2. Google/Apple Account Changed

  - Temporary solution: Log in with the original Google/Apple account which the previous subscription fee was charged.

3. Change of Payment Method

  - Temporary solution: Remove the current payment method and register it again.

If you have further inquiries regarding subscription renewal or other concerns, please contact our Customer Support.