I am not able to cancel my ChatGPT + subscription

I have purchased the subscription of ChatGPT+ and now when I am trying to unsubscribe this I am getting this error message. I even tried by deleting cookies and cache memroy of my chrome browser. Still the same message. Please Help

If you have an issue with your account, payments, billing, or the like, please contact our support team at: https://help.openai.com . This site is a developer community site and not monitored for customer account or billing issues.