Sitemap Generator Forum

I'm getting this error message when I try to run a sitemap.  First, I would like to say, i have paid for my hosting, also I've confimred with my hosting that i'm paid in full, the rest of the website is funtional, and it used to work:

There was an error while retrieving the URL specified: [ External links are visible to forum administrators only ]
HTTP Code:
HTTP/1.1 302 Moved Temporarily
HTTP headers:
server: nginx/1.0.15
date: Sun, 29 Dec 2013 12:14:17 GMT
content-type: text/html
transfer-encoding: chunked
connection: close
x-powered-by: PHP/5.3.3
location: [ External links are visible to forum administrators only ]

Hello,

please let me know your generator URL/login in private message to check this.