def METHOD_NAME(lang_name: str) -> None:
    """
    Add a standard language to the language database based on the language name.
    :param lang_name: Natural name of the language.
    :return: None
    """
    try:
        lang = Language.create_from_name(lang_name)
    except Exception as e:
        click.echo(f"Failed to create language: {str(e)}")
        return
    exists = Language.query.filter(lang.lang_code == Language.lang_code).first()
    if exists:
        click.echo(f"Language code '{lang.lang_code}' already exists in the database.")
    else:
        click.echo(f"Adding new language '{lang.lang_name} ({lang.lang_code})'")
        db.session.METHOD_NAME(lang)
        db.session.commit()