Cancel Memberstack Subscription

I’m trying to cancel my Pro Plan Memberstack subscription but keep getting this error message upon clicking the “Delete My Account” button. Any help would be appreciated!

Screen Shot 2020-07-15 at 10.12.24 AM|690x488

oh no Preston. We hate to see you go. Passing this on to our dev team now.

Try canceling your subscription here https://app.memberstack.io/billing