Error 520 Cloudflare Firewall with Ahrefs

What is the name of the domain?

What is the error number?

520

What is the error message?

The HTTP server encountered an internal error (520). The server may currently have issues. This website is protected by the Cloudflare firewall

What is the issue you’re encountering

I’m trying to do an Ahrefs site audit.

What steps have you taken to resolve the issue?

I’m really a newbie here.

I try to enter all ahrefs safe IP’s and it didn’t work.

Try to temporarily deactivate cloudflare, didn’t work…

Was the site working with SSL prior to adding it to Cloudflare?

Yes

What is the current SSL/TLS setting?

Full

What are the steps to reproduce the issue?

You can check the results here. What is AhrefsSiteAudit | Learn about Ahrefs' Web Crawler

Screenshot of the error