Vercel SSL certificate generation fails with http-01 challenge error

Problem

We could not generate a cert for code-nyx.tech because the required http-01 challenge failed.

Current Status

How do I fix this?? Please help me ASAP.

Thank you.

The domain troubleshooting guide can help with most custom domain configuration issues. You might be able to use that guide to solve it before a human is available to help you. Then you can come back here and share the answer for bonus points.

You can also use v0 to narrow down the possibilities.