Project in 'Terminating' state in OpenShift 4

Issue

• Deleting a project deletes all it's resources, but the project remains in Terminating state.

• Output of oc get all -n project-name

  Raw

  $ oc get all -n scheduling
  No resources found.
  

• Description of the namespace:

  Raw

  $ oc describe namespace scheduling
  Name:         scheduling
  Labels:       <none>
  Annotations:  openshift.io/description=
              openshift.io/display-name=
              openshift.io/requester=kube:admin
              openshift.io/sa.scc.mcs=s0:c21,c5
              openshift.io/sa.scc.supplemental-groups=1000430000/10000
              openshift.io/sa.scc.uid-range=1000430000/10000
  Status:       Terminating
  
  No resource quota.
  
  No resource limits.