Operator status is unknown with 'no operators found in channel' messages in catalog operator logs

Issue

• Operator status is unknown and the operator upgrade status is unknown failure.
• Getting below messages in the catalog operator logs.

YYYY-MM-DDTHH:MM:SS.xxxxxxxxZ xxxxx 14:43:40.547245       1 event.go:282] Event(v1.ObjectReference{Kind:"Namespace", Namespace:"", Name:"openshift-operators", UID:"xxxxxxxxxxxxxxxxxxx", APIVersion:"v1", ResourceVersion:"xxxx", FieldPath:""}): type: 'Warning' reason: 'ResolutionFailed' constraints not satisfiable: no operators found in channel 4.6 of package <operator-name> in the catalog referenced by subscription <operator-subscription>, subscription <operator-subscription> exists