RSS Feed Issue

Getting a 404 error for my Product feed as Product URL is : [login to view URL] but when you tried to see the page through [login to view URL] then getting an error. Also, If you remove the product from the url like [login to view URL] then there is no problem. So, If you can resolve this issue thn feel free to contact me :) Note : I can't share my User Details so you can guide me and I'll do that from my end.