Cannot GET /catalog/product_compare/add/product/2906/uenc/aHR0cDovL3d3dy5zb3JldGh1bWJyZXRyb2dhbWVzLmNvbS9taWNyb3NvZnQveGJveC9nYW1lcy5odG1s/form_key/5LqO8Np486zM8v6c/