My b2evolution Version: 1.10.x

I've read all the w.bloggar related posts I can find on these forums, and looked at every suggestion made for previous versions. I also had w.bloggar working with my 1.10.2 installation.

I just upgraded, and everything else seems to be working quite well, but my users cannot post or login to update the blog listing via w.bloggar.

I'm using b2evo 2.0.1-alpha with w.bloggar 4.00.0193, and when I or my users try to refresh the blog list or post something new, they receive the error

[code]w.bloggar: -1072896680

Unable to parse the eXML response. Parser Reason: XML document must have a top level element.[/code]

This seems to have been encountered in previous versions and resolved. I have checked permissions and I can pull up the xmlrpc.php file in a browser, the permissions are all in line with the install docs, etc.

Any ideas?