Rather than deleting the root user unit, another option is to mark the root user account unit as publicly editable, which would change the error to a warning.
除了删除根用户单元，另外一个选项就是将根用户账户单元标记为公共可编辑状态，这将会将错误转化为警告。
Even if you do not buy into the use of sugroups, at least create one sugroup to manage the su to the root account. Typically, system administrators login in as themselves then su to root.
即使您不打算使用sugroup，至少应该创建一个sugroup，用它管理切换为root账户的su操作。
If you have an account on a hosted site, you generally cannot create new sites at the root level of your site, but you can usually create sites that are child sites of your root site.
如果在寄宿网站上有帐户，通常不能在网站的根级别上创建新网站，但一般可创建作为根网站的子网站的网站。
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