We've had some reports from players that when attempting to access the Store, they get this message:
If you are having trouble with the in-game store, it could mean there is an issue contacting the Google Play store.
We also suggest checking your Google Play account to ensure your credit card details have not expired or something hasn't been deactivated on your account.
Otherwise here is a link to the relevant Google Play Help page:
If the problem persists, please contact us at support here: