google is showing an error

[so-wat]

when i uploaded the sitemap.xml into the webmaster tools its showing an error
the error being shown is
Invalid URL
This is not a valid URL. Please correct it and resubmit. URL: http://<!--xml version="1.0" encoding="utf-8"?%3EProblem detected on: Sep 15, 2009
2 Invalid URL
This is not a valid URL. Please correct it and resubmit. URL: http://<urlsetProblem detected on: Sep 15, 2009
3 Invalid URL
This is not a valid URL. Please correct it and resubmit. URL: http://xmlns="http[ External links are visible to forum administrators only ] detected on: Sep 15, 2009
what should  i do

[XML-Sitemaps Support]

Hello,

what is the sitemap URL you submit?

[so-wat]

[ External links are visible to forum administrators only ]

[XML-Sitemaps Support]

You have the following as the first line:

Code Select Expand

<!--xml version="1.0" encoding="UTF-8"?>
it should be:

Code Select Expand

<?xml version="1.0" encoding="UTF-8"?>