Error installing on CentOS 9

[patrickn2]

Got this error when installing in a fresh CentOS 9

Any way to fix it?

net.ipv4.ping_group_range = 0 2147483647
net.core.default_qdisc = fq_codel
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
fs.protected_regular = 1
fs.protected_fifos = 1
net.core.optmem_max = 81920
kernel.pid_max = 4194304
kernel.kptr_restrict = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.eth0.rp_filter = 1
net.ipv4.conf.lo.rp_filter = 1
net.ipv4.ip_forward = 1
cp: cannot stat '/usr/lib/systemd/system/openvpn-server@.service': No such file or directory
sed: can't read /etc/systemd/system/openvpn-server@.service: No such file or directory
sed: can't read /etc/systemd/system/openvpn-server@.service: No such file or directory
Failed to enable unit: Unit file openvpn-server@server.service does not exist.
Failed to restart openvpn-server@server.service: Unit openvpn-server@server.service not found.
Created symlink /etc/systemd/system/multi-user.target.wants/iptables-openvpn.service → /etc/systemd/system/iptables-openvpn.service.

Tell me a name for the client.
The name must consist of alphanumeric character. It may also include an underscore or a dash.```