Are you using any shared or special public IP (like campus, university etc.) or any proxy or VPN?
It may be a good idea to wait some hours first and see if it works then before contacting cloudflare.
No, none of that. It's just a simple 75 mbps direct connect cable service. Just a single PC not even using a router and no VPN or proxy.
And when it happened, I just opened a new window and did another, albeit slightly simpler, reply to the message. It really does seem like it alerts when I edit a URL for a clickable link.
I've been through the same problem and fixed it by cleaning the browser's cache...if my memory can be trusted
Hmm. Well, ok, next time I'll CClean first and see if your memory can be trusted.