How to activate yum groupinstall, grouplist in RHEL 7?

Question

Red Hat Enterprise Linux

Good afternoon! If you enter the command yum grouplist, then an error occurs:

Loaded plugins: product-id, rhnplugin, search-disabled-repos, subscription-manager
This system is receiving updates from RHN Classic or Red Hat Satellite.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Warning: no environments/groups match:

Also withyum groupinstall "X Window System"

Loaded plugins: product-id, rhnplugin, search-disabled-repos, subscription-manager
This system is receiving updates from RHN Classic or Red Hat Satellite.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Warning: group X Window System does not exist.
Maybe run: yum groups mark install (see man yum)
Error: No packages in any requested group available to install or update