[SSR Tools] Travel calculator issue

I try to click the travel calculator on the help page, but it redirects me to a page not found tab.
I don't consider this a bug, but just a misplacement of the file
404
File not found
The site configured at this address does not contain the requested file.
If this is your site, make sure that the filename case matches the URL.
For root URLs (like http://example.com/) you must provide an index.html file.
Read the full documentation for more information about using GitHub Pages.
GitHub Status — @githubstatus
That is what it says on the page. Was the link moved and not updated?
Some guild members are also having the same issue here at HELM.
I don't consider this a bug, but just a misplacement of the file

404
File not found
The site configured at this address does not contain the requested file.
If this is your site, make sure that the filename case matches the URL.
For root URLs (like http://example.com/) you must provide an index.html file.
Read the full documentation for more information about using GitHub Pages.
GitHub Status — @githubstatus
That is what it says on the page. Was the link moved and not updated?
Some guild members are also having the same issue here at HELM.