After upgrading to Pro Version facing two issues

1. My Rss Feed link is broken I am getting below error
This page contains the following errors:
error on line 1 at column 1: Document is empty
Below is a rendering of the page up to the first error.

2. when i click on any album, album does not open up i get below error
“errNotFound”

Kind Regards
Bharat

http://wordpress.org/extend/plugins/google-picasa-albums-viewer/