This means that your product was removed for breaking a marketplace guidelines, specifically rule #1:
1. Your products must be a virtual product for use in virtual reality or virtual content creation - pre-orders, sale advertisements, commissions, tip jars, information articles, etc are not allowed.
We do not allow anything but listings for products that can be purchased right now and used right now to keep the marketplace clean and easy to use.
If your product is not in this category you can use this page to contact support.