Machine stuck in deleting phase in RHOCP 4

Issue

• When attempting to delete the machine it became stuck in the Deleting phase with following error message:

   $ oc get machines -n openshift-machine-api
     NAME                       PHASE           AGE         NODE          PROVIDERID         STATE
     machine-0-worker-xxxx     Deleting         1y        worker-0-xxxx   vsphere://4xxx     poweredOn
  
   message: 'Failed to check if machine exists: machine-0-worker-xxxx: failed
    to create scope for machine: failed to create vSphere session: unable to find
    datacenter "Vxxxx-Datacenter": datacenter ''Vxxxx-Datacenter'' not found'
  reason: ErrorCheckingProvider
  status: Unknown
  

• How to delete the machine stuck in the Deleting phase?