Hello,
Thank you for contacting Rank Math and bringing your concern to our attention. I’m sorry for any inconvenience this issue may have caused you.
For initial troubleshooting, please try reconnecting your website/s to your Rank Math account properly by heading over to your website’s dashboard > Rank Math > Dashboard > Help, and on this page, disconnect and reconnect to your Rank Math account.
Then please update to the latest version of the Rank Math plugin and you should see this option to refresh the credits

Let us know how this goes.
Thank you.
Hello,
We are super happy that this issue is already resolved. If you have any other questions in the future, know that we are here to help you.
If you don’t mind us asking, could you please leave us a review (if you haven’t already) on https://wordpress.org/support/plugin/seo-by-rank-math/reviews/#new-post about your overall experience with Rank Math? We appreciate your time and patience.
If you have another question in the future, please feel free to create a new forum topic, and it will be our pleasure to assist you again.
Thank you.