I try to show "Related Products, Up-Sells, and Cross-Sells ". All of them work, but "Related Products".
I thought there must be something wrong with the products which I have assigned to Related Products. So I assigned the same products which I have assigned to the working "Up-Sells", but there is still nothing showing.
I also checked out Magento Blank and Magento Luma Theme and cleared the cache. But there is still nothing.
I am using Magento 2.3.4.