"Internal Server Error" on account selection preventing forward progress

What is the name of the domain?

kkmemorialfoundation.org

What is the error number?

None is given

What is the error message?

Internal Server Error

What is the issue you’re encountering

On the account selection page, I select an account and click continue. Then, I receive a red “Internal Server Error” pop-up at the bottom of the screen, and I can’t progress forward.

What steps have you taken to resolve the issue?

I have tried different browsers and different browser privacy modes. I have disabled my pop-up blocker. I have tried on my wifi network and my broadband via phone.

What are the steps to reproduce the issue?

Add a new website. Select a plan. Click continue.

Screenshot of the error

Cloudflare has acknowledged this problem and is working on it. Cloudflare Status - Internal Server Errors when Adding Zones

Having the same exact issue. I had my domain on cloudflare for years. Took it off to rework something. Trying to put it back on and get this error