Oh, so sorry, that looks like a bug where we stop accepting licenses if the subscription is cancelled. Please DM me and I'll refund you for your order while fixing this. If you want to buy it again so it works for the month I'll also refund that (i.e. it will be free for you until I fix this).
Discord is best! You can see the link to join at the top here: https://www.hammerai.com/