Getting an error after installation

[alistairwright]

When I run the script it appears to come up with an error but the page switches quickly back to the configuration screen to I can't see what the problem is.  The only info that I can see is that the URL changes to

[external links are visible to admins only]

Any ideas?

[admin]

Hello,

Probably there is a configuration problem - it looks like your server doesn't allow local network connections via port 80 (http) - as a result sitemap generator is not able to crawl the site. This is usually related to firewall installed at the host - could you please contact your hosting support regarding this?
In some cases this can be fixed with DNS Doctoring operation on the server.

Also, do not forget to set login/password in sitemap generator configuration as it is currently open.