WHMCS Integrate with WP Status Server Show Error

hi

i try to see my server status at http://www.pusatwebhosting.com/domain/?whmcsportal%5Bpage%5D=whmcs%3A%2F%2Fwww.pusatwebhosting.com%2Fportal%2Fserverstatus.php

but it say

WHMCS Integration: A valid URL was not provided.

please advise, thanks