Can you help me debug this error from my kubernetes manifest? 

error: error validating "hello-world.staging.yaml": error validating data: [ValidationError(Ingress.spec.rules[1].http.paths[0].backend): unknown field "servicePort" in io.k8s.api.networking.v1.IngressBackend, ValidationError(Ingress.spec.rules[1].http.paths[0]): missing required field "pathType" in io.k8s.api.networking.v1.HTTPIngressPath]; if you choose to ignore these errors, turn validation off with --validate=false