522 Response from Custom Domain

I'm getting a 522 response after adding a custom domain to my Cloudflare Pages site. It's only been about 30 minutes, is this something I just need to wait on? Anything in particular that could cause the issue?

My site, lilnonnas.com, is registered at porkbun. I updated the nameservers there to cloudflare's. I used the automated workflow to add the custom domain