xml parsing error

I am trying to set up my google sitemap.xml file. (Using All In One SEO)
but when I go to view the site map string (generated by All in One SEO) I get:

XML Parsing Error: XML or text declaration not at start of entity
Location: https://mysite/sitemap.xml
Line Number 2, Column 1:<?xml version=”1.0″ encoding=”UTF-8″?>
^

I don’t see a sitemap.xml in the root of the site? (perhaps it is hidden)

There are no extra spaces in front of anything in the web config file or htaccess file

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