Here's the log output:
Jul 13 08:45:45 2018 (86892) REST request handler error: Traceback (most recent call last): File "/opt/rh/rh-python35/root/usr/lib64/python3.5/wsgiref/handlers.py", line 137, in run self.result = application(self.environ, self.start_response) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/database/transaction.py", line 50, in wrapper rtn = function(*args, **kws) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/rest/wsgiapp.py", line 216, in __call__ return super().__call__(environ, start_response) File "/atldata/venv-3.5/lib/python3.5/site-packages/falcon/api.py", line 244, in __call__ responder(req, resp, **params) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/rest/lists.py", line 401, in on_get archiver_set = IListArchiverSet(self._mlist) File "/atldata/venv-3.5/lib/python3.5/site-packages/zope/component/hookable.py", line 33, in __call__ return self.__implementation(*args, **kw) File "/atldata/venv-3.5/lib/python3.5/site-packages/zope/component/_api.py", line 156, in adapter_hook return sitemanager.queryAdapter(object, interface, name, default) File "/atldata/venv-3.5/lib/python3.5/site-packages/zope/interface/registry.py", line 348, in queryAdapter return self.adapters.queryAdapter(object, interface, name, default) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/database/transaction.py", line 85, in wrapper return function(args[0], config.db.store, *args[1:], **kws) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/model/mailinglist.py", line 599, in __init__ for archiver in config.archivers: File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/config/config.py", line 259, in archivers archiver = call_name(class_path) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/utilities/modules.py", line 70, in call_name return named_callable(*args, **kws) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman_hyperkitty-1.1.1-py3.5.egg/mailman_hyperkitty/__init__.py", line 60, in __init__ self._load_conf() File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman_hyperkitty-1.1.1-py3.5.egg/mailman_hyperkitty/__init__.py", line 81, in _load_conf config.archiver.hyperkitty.configuration) File "/atldata/venv-3.5/lib/python3.5/site-packages/mailman/config/config.py", line 337, in external_configuration raise MissingConfigurationFileError(path) mailman.interfaces.configuration.MissingConfigurationFileError: changeme