FreeNAS

Trying to import an encrypted pool on 11.1RC2 fails with:

Environment:

Software Version: FreeNAS-11.1-RC2 (f22406524)
Request Method: POST
Request URL: http://10.222.120.5/storage/auto-import/

Traceback:
File "/usr/local/lib/python3.6/site-packages/django/core/handlers/exception.py" in inner
  42.             response = get_response(request)
File "/usr/local/lib/python3.6/site-packages/django/core/handlers/base.py" in _legacy_get_response
  249.             response = self._get_response(request)
File "/usr/local/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  178.             response = middleware_method(request, callback, callback_args, callback_kwargs)
File "./freenasUI/freeadmin/middleware.py" in process_view
  162.         return login_required(view_func)(request, *view_args, **view_kwargs)
File "/usr/local/lib/python3.6/site-packages/django/contrib/auth/decorators.py" in _wrapped_view
  23.                 return view_func(request, *args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/django/views/generic/base.py" in view
  68.             return self.dispatch(request, *args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/formtools/wizard/views.py" in dispatch
  237.         response = super(WizardView, self).dispatch(request, *args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/django/views/generic/base.py" in dispatch
  88.         return handler(request, *args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/formtools/wizard/views.py" in post
  300.                 return self.render_done(form, **kwargs)
File "/usr/local/lib/python3.6/site-packages/formtools/wizard/views.py" in render_done
  357.                                   **kwargs)
File "./freenasUI/storage/forms.py" in done
  881.         self.volume = notifier().volume_import(vol['label'], vol['id'], key, passphrase, enc_disks)
File "./freenasUI/middleware/notifier.py" in volume_import
  2671.                 )[0]
File "/usr/local/lib/python3.6/site-packages/django/db/models/query.py" in __getitem__
  295.         return list(qs)[0]

Exception Type: IndexError at /storage/auto-import/
Exception Value: list index out of range

The same import works for the current stable release.