Can't setup subdomain

Hey all,

The situation is this:

I need to publish a subdomain (blog.domain.com) without changing the main domain, because I have a site hosted there.

I added the CNAME record on my DNS settings (with GoDaddy):

And added the configuration on the Webflow Hosting tab:

But it’s not working and it’s sending me to this page:

What should I do to make this work?