Gateway URI not configured, please configure property hybris.gateway.uri

Hi,

i am getting below exception while integrating with Cybersource payment gatway.

INFO [hybrisHTTP1] [CharonHandler] baseUrl:http://localhost:8080/paymentService/psp/paymentService, method:HEAD, consumes:Optional[application/json], uri:/hpfurl WARN [hybrisHTTP1] [CharonHandler] this is a blocking call, be aware of performance concerns WARN [hybrisHTTP32] [ExternalEndpointProvider] Gateway URI not configured, please configure property hybris.gateway.uri INFO [nioEventLoopGroup-2-1] [CharonHandler] error code:403, phrase:Forbidden ERROR [hybrisHTTP1] [PaymentMethodCheckoutStepController] Failed to build beginCreateSubscription request com.hybris.charon.exp.ForbiddenException: Forbidden

Please suggest me solution.