Unclear and inexplicable linting error "found undefined alias 'operations-openstack-mandatory-release'".

Running juju lint on an Openstack model (status) json output, outputs the following error message:
$ juju-lint -c /snap/juju-lint/current/contrib/openstack-focal-ovn.yaml \
-t openstack \
./tests/juju-lint/juju-status-openstack.json \
> tests/juju-lint/openstack-$(date +%Y%m%d-%H%M).txt 2>&1

$ cat openstack-20220919-1254.txt

Traceback (most recent call last):
  File "/snap/juju-lint/62/bin/juju-lint", line 8, in <module>
    sys.exit(main())
  File "/snap/juju-lint/current/lib/python3.8/site-packages/jujulint/cli.py", line 193, in main
    cli.audit_file(cli.manual_file, cloud_type=cli.cloud_type)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/jujulint/cli.py", line 124, in audit_file
    linter.read_rules()
  File "/snap/juju-lint/current/lib/python3.8/site-packages/jujulint/lint.py", line 126, in read_rules
    self.lint_rules = self._process_includes_in_rules(raw_rules_txt)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/jujulint/lint.py", line 1277, in _process_includes_in_rules
    return yaml.safe_load("\n".join(collector))
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/__init__.py", line 125, in safe_load
    return load(stream, SafeLoader)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/__init__.py", line 81, in load
    return loader.get_single_data()
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/constructor.py", line 49, in get_single_data
    node = self.get_single_node()
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 36, in get_single_node
    document = self.compose_document()
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 133, in compose_mapping_node
    item_value = self.compose_node(node, item_key)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 82, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 111, in compose_sequence_node
    node.value.append(self.compose_node(node, index))
  File "/snap/juju-lint/current/lib/python3.8/site-packages/yaml/composer.py", line 68, in compose_node
    raise ComposerError(None, None, "found undefined alias %r"
yaml.composer.ComposerError: found undefined alias 'operations-openstack-mandatory-release'
  in "<unicode string>", line 256, column 5:
      - *operations-openstack-mandatory- ...

It's unclear where the alias 'operations-openstack-mandatory-release' is defined as it's not defined in the deployment bundle.