Cannot GET /catalog/product_compare/add/product/300/uenc/aHR0cHM6Ly93d3cuYXl1cnZlZGFjYXJ0LmluL2NsYXNzaWNhbC1tZWRpY2luZXMvdGFpbGE,/form_key/B75u9AjMjpHLPegM/