This issue has been resolved. Please refer to the post below.
https://blog.camerafi.com/2024/02/notice-camerafi-live-android-app_14.html
Hello. This is the CameraFi Live team.
We have important information for users of the CameraFi Live Android app.
Due to issues with Google Play payments, subscriptions to the CameraFi Live Android app are currently unavailable.
The CameraFi team is in communication with Google Play to resolve the issue promptly, and we will inform you as soon as the issue is resolved.
We sincerely apologize for any inconvenience this may cause and are committed to resolving the issue as quickly as possible.
Thank you.