Maybe run: yum groups mark install

When installing CloudLinux alt-php group, i get error.

[root@titan ~]# yum groupinstall alt-php
Loaded plugins: fastestmirror, rhnplugin, universal-hooks
This system is receiving updates from CLN.
Loading mirror speeds from cached hostfile
* EA4: 169.255.59.74
* cpanel-addons-production-feed: 169.255.59.74
* cloudlinux-x86_64-server-7: cl-mirror.fr.planethoster.net
Maybe run: yum groups mark install (see man yum)
No packages in any requested group available to install or update
[root@titan ~]#

This error is fixed by running

yum groups mark remove alt-php
yum groupinstall alt-php 

See yum