Red Hat OpenShift Dev Spaces operator installation fails with 'error validating existing CRs against new CRD's schema'

Issue

• The Red Hat OpenShift Dev Spaces operator remains in pending state while installing/upgrading.
• Installation of the Red Hat OpenShift Dev Spaces operator fails with below error.

“error validating existing CRs against new CRD's schema for "checlusters.org.eclipse.che": error listing resources in GroupVersionResource schema.GroupVersionResource{Group:"org.eclipse.che", Version:"v1", Resource:"checlusters" }: conversion webhook for org.eclipse.che/v2, Kind=CheCluster failed: Post https://devspaces-operator-service.openshift-operators.svc:443/convert?timeout=30s: service "devspaces-operator-service "not found”

• The operator was uninstalled earlier and failing to install now.