async def METHOD_NAME(
    sql_model: Base,
    fides_key: str,
    payload: FidesModelType,
    async_session: AsyncSession,
) -> None:
    """
    Raise a forbidden error if the user is trying modify the `is_default` field
    """
    if sql_model in models_with_default_field:
        resource = await get_resource(sql_model, fides_key, async_session)
        if resource.is_default != payload.is_default:
            raise errors.ForbiddenError(sql_model.__name__, fides_key)