Unable to fetch product and setup sandbox.

How we fetch product and sandbox url . But not geting product . Aceess token also nil Optional(<NSHTTPURLResponse: 0x600000231700> { URL: https://api.uber.com/v1.2/products?latitude=37.787654&longitude=-122.40276 } { Status Code: 401, Headers { Connection = ( "keep-alive" ); "Content-Length" = ( 63 ); "Content-Type" = ( "application/json" ); Date = ( "Mon, 20 Nov 2017 11:54:43 GMT" ); Server = ( nginx ); "Strict-Transport-Security" = ( "max-age=604800" ); "X-Content-Type-Options" = ( nosniff ); "X-XSS-Protection" = ( "1; mode=block" ); } }) [] 2017-11-20 17:25:11.845632+0530 uber[13369:290147] Could not signal service com.apple.WebKit.WebContent: 113: Could not find specified service

let loginManager = LoginManager()

    loginManager.login(requestedScopes:[.request,.profile], presentingViewController: self, completion: { accessToken , error in
    // var a = UserProfile(from: <#T##Decoder#>)

        if TokenManager.save(accessToken: accessToken!){
            // Success
           // self.showMessage("Token Saved!")
        } else {
           // self.showMessage("unable to Saved!")
            // Unable to save
        }

        let token1 =      TokenManager.fetchToken()
        print(token1?.tokenString ?? "")

        //self.getData()//

        let ridesClient = RidesClient()

        let pickupLocation = CLLocation(latitude: 37.787654, longitude: -122.402760)
        let dropoffLocation = CLLocation(latitude: 37.775200, longitude: -122.417587)
        let builder = RideParametersBuilder()
        builder.pickupLocation = pickupLocation
        builder.dropoffLocation = dropoffLocation

        ridesClient.fetchProducts(pickupLocation: pickupLocation) { products, response in
            print(response.response)
            print(products)
            guard let uberX = products.filter({$0.productGroup == .uberX}).first else {
                // Handle error, UberX does not exist at this location
                return
            }
            builder.productID = uberX.productID
            ridesClient.fetchRideRequestEstimate(parameters: builder.build(), completion: { rideEstimate, response in
                guard let rideEstimate = rideEstimate else {
                    // Handle error, unable to get an ride request estimate
                    return
                }
                builder.upfrontFare = rideEstimate.fare
                self.ridesClient.requestRide(parameters: builder.build(), completion: { ride, response in
                    guard let ride = ride else {
                        // Handle error, unable to request ride
                        return
                    }
                    // Ride has been requested!
                })
            })
        }

        // Completion block. If accessToken is non-nil, you’re good to go
        // Otherwise, error.code corresponds to the RidesAuthenticationErrorType that occured
    })

uber / uber-ios-sdk

Unable to fetch product and setup sandbox. #208