Permission denied: '/var/lib/mistral/overcloud/' during OpenStack overcloud deploy or overcloud update converge

Issue

• Whilst running openstack overcloud deploy or openstack overcloud update converge to update to 16.1.8 or 16.2.3, either of the below error messages are encountered:

The action raised an exception [action_ex_id=e21ecd5c-6e6a-4b85-9ce6-1b1dfdc36916, msg='[Errno 13] Permission denied: '/var/lib/mistral/overcloud/ceph-ansible'', action_cls='<class 'mistral.actions.action_factory.DownloadConfigAction'>', attributes='{}', params='{'work_dir': '/var/lib/mistral/overcloud', 'container_config': 'overcloud-config'}'] 

The action raised an exception [action_ex_id=608f8be6-89ff-411b-9192-45af0902cf81, msg='[Errno 13] Permission denied: '/var/lib/mistral/overcloud/octavia-ansible'', action_cls='<class 'mistral.actions.action_factory.DownloadConfigAction'>', attributes='{}', params='{'work_dir': '/var/lib/mistral/overcloud', 'container_config': 'overcloud-config'}']