I am recieving Simple SiteMap 404 Error After Editing and Upload

Hello,

when checking the http://winegeographic.com/sitemap.xml

I receive

404 Error – Page Not Found

We could not find the page you were looking for. Try searching for it:

# BEGIN WordPress

RewriteEngine On

RewriteBase /

RewriteRule ^index.php$ – [L]

# add a trailing slash to /wp-admin

RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]

RewriteCond %{REQUEST_FILENAME} -d

RewriteRule ^ – [L]

RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]

RewriteRule ^([_0-9a-zA-Z-]+/)?(.*.php)$ $2 [L]

RewriteRule . index.php [L]

RewriteRule ^(.*/)?sitemap.xml wp-content/sitemap.php [L]

# END WordPress