我正在尝试安装 Lubuntu 来替换 Ubuntu，在终端上执行命令时出现错误（如下），有人能解释一下吗？非常感谢
fd@fd-lenovo:~$ sudo apt install lubuntu-desktop
[sudo] password for fd:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
gsettings-desktop-schemas : Breaks: mutter (< 3.31.4) but 3.28.4-0ubuntu18.04.2 is to be installed
lubuntu-desktop : Depends: lxqt-core but it is not going to be installed
Recommends: hplip but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.