The plugin is creating the sitemap with no problem. There are no errors during the creation or updating at all. However, in Google's Webmaster tools I am getting an error on the sitemap.
The error from Google:
Parsing error
We were unable to read your Sitemap. It may contain an entry we are unable to recognize. Please validate your Sitemap before resubmitting.
When I run sitemap through validator:
XML document-structures must start and end within the same entity.
My sitemap is at http://www.realestateradiousa.com/sitemap.xml
Any ideas on how to correct this error?