proftp_problem

/etc/init.d/proftpd status
Checking for service proftpd                                                                                                                                                  unused
proftpd.service - ProFTPd FTP server
          Loaded: loaded (/usr/lib/systemd/system/proftpd.service; disabled)
          Active: failed (Result: exit-code) since Tue, 2013-08-20 14:31:34 EAT; 4min 24s ago
         Process: 5213 ExecStart=/usr/sbin/proftpd --nodaemon (code=exited, status=1/FAILURE)
          CGroup: name=systemd:/system/proftpd.service

Aug 20 14:31:34 linux-cmb9.site systemd[1]: Starting ProFTPd FTP server...
Aug 20 14:31:34 linux-cmb9.site systemd[1]: Started ProFTPd FTP server.
Aug 20 14:31:34 linux-cmb9.site proftpd[5213]: linux-cmb9.site proftpd[5213]: unable to bind to Unix domain socket at '/var/run/proftpd/test.sock': No such file or directory
Aug 20 14:31:34 linux-cmb9.site proftpd[5213]: linux-cmb9.site proftpd[5213]: warning: unable to determine IP address of 'linux-cmb9.site'
Aug 20 14:31:34 linux-cmb9.site proftpd[5213]: linux-cmb9.site proftpd[5213]: error: no valid servers configured
Aug 20 14:31:34 linux-cmb9.site proftpd[5213]: linux-cmb9.site proftpd[5213]: Fatal: error processing configuration file '/etc/proftpd/proftpd.conf'
Aug 20 14:31:34 linux-cmb9.site systemd[1]: proftpd.service: main process exited, code=exited, status=1/FAILURE
Aug 20 14:31:34 linux-cmb9.site systemd[1]: Unit proftpd.service entered failed state