This line: https://github.com/openshift/cluster-monitoring-operator/blob/e515ed03618466b6a1b9d2fcf12192191bfd90f8/pkg/client/status_reporter.go#L46 is adding non-existing resource to related objects, please revise the related objects and upadate per what you might need when debugging your operator. The value of relatedObjects are input for oc adm must-gather and oc adm inspect commands. See https://github.com/openshift/cluster-kube-controller-manager-operator/blob/a74352c81f9c60f25bd4450a929475052fa70c65/pkg/operator/starter.go#L113-L119 as an example what kcm-o is setting in relatedobjects.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0062