Cannot GET /catalog/product_compare/add/product/1321/uenc/aHR0cDovL2F5dXJ2ZWRhY2FydC5pbi9heXVydmVkaWMtaGVyYnMvaGVyYnMtc3RhcnQtd2l0aC15P21vZGU9bGlzdA,,/form_key/sZVvzlS9l7rUnzg4/