This is a warning from wordpress.com ToS (Terms of Service) Staff. It's pointing out to you which types of blogs are allowed at wordpress.com and which are not allowed.
No blogger initiated advertising, retailing or reselling the work created or services provided by anyone other than yourself is allowed on free hosted wordpress.COM blogs. E-commerce transactions via shopping carts and the like cannot be conducted on free blogs from and being free hosted by wordpress.COM
I’m sorry but this is not a matter for posting to a public forum. We Volunteers answering support questions have no role to play in this process. This is between you and Staff. You have a warning notice on your dashboard with a link in it. Please click that link.
If you contacted Staff by using the “click here to contact us” link in the notice, the ToS department definitely received your request. Please be patient as they’ll be getting back to you as soon as they can.