Photo Seller – Link from Facebook can not add anything to cart. by Tips and Tricks HQ Support Portal › Forums › WP Photo Seller › Photo Seller – Link from Facebook can not add anything to cart. This topic has 13 replies, 3 voices, and was last updated 6 years, 9 months ago by Bryn. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In