Below is the error messages I got:
Error from server (Forbidden): error when creating "prometheus-operator\\prometheus-operator-cluster-role-binding.yaml": User "xxx" cannot create clusterrolebindings.rbac.authorization.k8s.io at the cluster scope.: "Required \"container.clusterRoleBindings.create\" permission." (post clusterrolebindings.rbac.authorization.k8s.io)
I was trying to deploy Prometheus to my gke (1.6.4) cluster.