NullReferenceException on HAP for WP7

Nov 6, 2011 at 12:35 PM

At this URI "http://wap.kdslife.com/t/1/15/6673395/?u=0&sc=235&rnd=b2be3573d7"

The parsing document is null, and if i access the documentNode it will catch a NullReferenceException error.

how can it be solved?