Billing help

What is the name of the domain?

None

What is the error number?

An unexpected error occurred while processing your payment

What is the error message?

An unexpected error occurred while processing your payment

What is the issue you’re encountering

An unexpected error occurred while processing your payment

What steps have you taken to resolve the issue?

Contacted bank, no issues, plenty of funds available to upgrade plan

In what area can we help you?

Payment issue

As the issue is Billing related, you will require Support to intervene on that.

You can create a case here https://dash.cloudflare.com/?to=/:account/support?subMenu=account&portal=createaCase

With the recent events that Cloudflare blogged about, I would personally be expecting a very huge backlog on tickets.