Stop trying to take money from my account

I’ve tried to contact you on the website etc., but no one is responding to me. Your emails don’t work… I have opted out of the premium plan, so stop trying to charge my account abusively. You’ve been trying to withdraw 23 dollars from my account continuously for several weeks, even though I no longer have and no longer want, your premium version…

The page I need help with: [log in to see the link]