Rebase sahara-image-elements to 5.0.1 to pull in current version
sahara-image-elements-5.0.1-1.el7ost
The package has been rebased to 5.0.1 and the new version can generate the requested images.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2017-0299.html