Upgrading from RHEL7 to RHEL8 using the leapp utility

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I am currently performing an upgrade of my Linux host from RHEL7 to RHEL8. It has been that straightforward but was able to find articles that solved the problems I ran into until I reached this point:

Has anyone seen this error before and could provide me with a hint to resolving it please?

2021-12-15 12:45:04.853051 [ERROR] Actor: target_userspace_creator
Message: Unable to install RHEL 8 userspace packages.
Summary:
Details: Command ['systemd-nspawn', '--register=no', '--quiet', '-D', '/var/lib/leapp/scratch/mounts/root_/system_overlay', '--setenv=LEAPP_NO_RHSM=0', '--setenv=LEAPP_EXPERIMENTAL=0', '--setenv=LEAPP_COMMON_TOOLS=:/etc/leapp/repos.d/system_upgrade/el7toel8/tools', '--setenv=LEAPP_COMMON_FILES=:/etc/leapp/repos.d/system_upgrade/common/files:/etc/leapp/repos.d/system_upgrade/el7toel8/files', '--setenv=LEAPP_UNSUPPORTED=0', '--setenv=LEAPP_EXECUTION_ID=75be7371-65fa-40ea-a9c6-9b4861be0a91', '--setenv=LEAPP_HOSTNAME=localhost', 'dnf', 'install', '-y', '--nogpgcheck', '--setopt=module_platform_id=platform:el8', '--setopt=keepcache=1', '--releasever', u'8.4', '--installroot', '/el8target', '--disablerepo', '*', '--enablerepo', u'codeready-builder-for-rhel-8-x86_64-rpms', 'dnf', 'dnf-command(config-manager)'] failed with exit code 1.
Stderr: Host and machine ids are equal (ccf892411c5d4b79b8fa426ef78e2928): refusing to link journals
Error: Unable to find a match: dnf dnf-command(config-manager)

PW

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