'error validating existing CRs against new CRD's schema' 오류가 발생하며 Operator 설치 실패

Issue

• Operator를 설치하는 동안 아래와 같은 오류가 발생합니다.

error validating existing CRs against new CRD's schema for "servicemeshcontrolplanes.maistra.io": error listing resources in GroupVersionResource schema.GroupVersionResource{Group:"maistra.io", Version:"v1", Resource:"servicemeshcontrolplanes"}: conversion webhook for maistra.io/v2, Kind=ServiceMeshControlPlane failed: Post "https://maistra-admission-controller.openshift-operators.svc:443/convert-smcp?timeout=30s": no endpoints available for service "maistra-admission-controller"