def METHOD_NAME(indexer_id, force=False):
    """
    Try to refresh a show
    :param force: Force refresh
    :param indexer_id: The unique id of the show to refresh
    :return: A tuple containing:
     - an error message if the show could not be refreshed, ``None`` otherwise
     - the show object that was refreshed, if it exists, ``None`` otherwise
    """
    error, show = Show._validate_indexer_id(indexer_id)
    if error is not None:
        return error, show
    try:
        settings.showQueueScheduler.action.refresh_show(show, force)
    except CantRefreshShowException as exception:
        return str(exception), show
    return None, show