rss feed by way of mailchimp

I simply began a brand new web site and I’m making an attempt to automate issues by way of mailchimp. I arrange a marketing campaign in mailchimp however it says "feed is not a valid RSS feed". the feed on my web site after I view the supply code exhibits mysite.com/sampe-page/feed. Mailchimp exhibits mysite.com/feed. pattern web page does not exist on my web site and I do not know why it’s there. I’ve been googling for hours and may’t discover the reply