[...]
Downloading required files.
File /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release already present on system, backing up to /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release.backup.
Writing file to destination: '/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release'
File /etc/yum.repos.d/convert2rhel.repo already present on system, backing up to /etc/yum.repos.d/convert2rhel.repo.backup.
[Errno 2] No such file or directory
Writing file to destination: '/etc/yum.repos.d/convert2rhel.repo'
Installing & updating Convert2RHEL package.
[...]
Cleaning up modifications to the system.
Removing the file '/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release' as it was previously downloaded.
Restoring backed up file /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release.
Removing the file '/etc/yum.repos.d/convert2rhel.repo' as it was previously downloaded.
Restoring backed up file /etc/yum.repos.d/convert2rhel.repo.
[Errno 2] No such file or directory
Calling command '/usr/bin/yum history undo -y 8'