overcloud deployment fails with "No such file or directory: '/home/root'

Issue

• The "openstack overcloud deploy" command fails with the following traceback message

2021-03-10 12:00:00Z [overcloud-AllNodesDeploySteps-6ddpe3nshivh]: UPDATE_COMPLETE  Stack UPDATE completed successfully
2021-03-10 12:00:01Z [AllNodesDeploySteps]: UPDATE_COMPLETE  state changed
2021-03-10 12:00:02Z [overcloud]: UPDATE_COMPLETE  Stack UPDATE completed successfully

 Stack overcloud/2a4eb057-cc1c-42aa-881c-9915bbdfb95f UPDATE_COMPLETE 

Waiting for messages on queue 'tripleo' with no timeout.
Deploying overcloud configuration
Exception occured while running the command
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tripleoclient/command.py", line 32, in run 
    super(Command, self).run(parsed_args)
  File "/usr/lib/python3.6/site-packages/osc_lib/command/command.py", line 41, in run 
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python3.6/site-packages/cliff/command.py", line 185, in run 
    return_code = self.take_action(parsed_args) or 0
  File "/usr/lib/python3.6/site-packages/tripleoclient/v1/overcloud_deploy.py", line 1085, in take_action
    utils.copy_clouds_yaml(user)
  File "/usr/lib/python3.6/site-packages/tripleoclient/utils.py", line 2045, in copy_clouds_yaml
    clouds_user_id = os.stat(clouds_home_dir).st_uid
FileNotFoundError: [Errno 2] No such file or directory: '/home/root'
[Errno 2] No such file or directory: '/home/root'