Wordfence is popping up an error when user clicks to add a FPD product to the cart.
Where do I go to disable Rest-API in WordFence
Just had the same issue. Added logo to shirt, wanted to go back to overview single product page to then proceed to checkout but got the Wordfence 403 error page.
fixed it by putting wordfence firewall into learning mode. Had to checkout with every product, now it seems ok...
Did you resolve this? facing same issue now