Error while installing the operator #15

vents:
  Type     Reason            Age                    From               Message
  ----     ------            ----                   ----               -------
  Warning  FailedScheduling  10m                    default-scheduler  0/1 nodes are available: 1 node(s) had untolerated taint {node-role.kubernetes.io/control-plane: }. preemption: 0/1 nodes are available: 1 Preemption is not helpful for scheduling.
  Normal   Scheduled         6m42s                  default-scheduler  Successfully assigned default/open5gs-operator-1778231435-controller-manager-d9866b4db-6l8rd to server
  Normal   Pulling           6m41s                  kubelet            Pulling image "gradiant/open5gs-operator:1.0.5"
  Normal   Pulled            6m35s                  kubelet            Successfully pulled image "gradiant/open5gs-operator:1.0.5" in 5.884s (5.884s including waiting). Image size: 29193789 bytes.
  Normal   Created           6m35s                  kubelet            Created container: manager
  Normal   Started           6m35s                  kubelet            Started container manager
  Normal   Pulling           3m50s (x5 over 6m41s)  kubelet            Pulling image "gcr.io/kubebuilder/kube-rbac-proxy:v0.16.0"
  Warning  Failed            3m50s (x5 over 6m41s)  kubelet            Failed to pull image "gcr.io/kubebuilder/kube-rbac-proxy:v0.16.0": rpc error: code = NotFound desc = failed to pull and unpack image "gcr.io/kubebuilder/kube-rbac-proxy:v0.16.0": failed to resolve reference "gcr.io/kubebuilder/kube-rbac-proxy:v0.16.0": gcr.io/kubebuilder/kube-rbac-proxy:v0.16.0: not found
  Warning  Failed            3m50s (x5 over 6m41s)  kubelet            Error: ErrImagePull
  Normal   BackOff           100s (x21 over 6m34s)  kubelet            Back-off pulling image "gcr.io/kubebuilder/kube-rbac-proxy:v0.16.0"
  Warning  Failed            100s (x21 over 6m34s)  kubelet            Error: ImagePullBackOff

kubectl set image deployment/open5gs-operator-1778231435-controller-manager   kube-rbac-proxy=quay.io/brancz/kube-rbac-proxy:v0.16.0   -n default

root@server:~# kubectl get pods
NAME                                                              READY   STATUS    RESTARTS   AGE
open5gs-operator-1778231435-controller-manager-5778dfb9bb-p4ggz   2/2     Running   0          2m44s
root@server:~#