Cannot GET /catalog/product_compare/add/product/1297/uenc/aHR0cDovL3d3dy5zb3JldGh1bWJyZXRyb2dhbWVzLmNvbS9kb3VibGUtZHJhZ29uLW5lcy5odG1s/form_key/vn0EV0bGzk4m5AFd/