cURL error?

[contact22]

Hello,

I upgraded from 7.1 to 7.2 and i get this error when trying to generat a new sitemap:

There was an error while retrieving the URL specified: [ External links are visible to forum administrators only ]
Error message: cURL error (28): Connection timed out after 30000 milliseconds
HTTP Code:

HTTP headers:
x_csize: 0

HTTP output:

PLease help!

[XML-Sitemaps Support]

Hello,

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