Thank you for writing.
I am sorry to hear this happen.
May I ask if you’ve followed the instructions to disable and cancel your subscription for Pro plan as from below article? The alternative is to cancel the current plan. Cancellations are only processed by the end of the billing period, so your plan will not be downgraded.
So you’re on a monthly plan type?
Helpful to check and to understand if you’re on the period of the renew of your current plan type or not:
Thank you for sharing and patience in advance. Nevertheless, questions about billing will need to be resolved by the Customer Support team and cannot be resolved on the Community.