DHCP error

logwatch says
Sep 10 10:22:34 some dhcpd: DHCPINFORM from 192.168.?.?? via eth0: not authoritative for subnet 192.168.?.0

To fix this, --authoritative;-- was added on dhcpd.conf.

# vi /etc/dhcp/dhcpd.conf
-----------------------------------------------------
subnet 192.168.?.0 netmask 255.255.255.0 {

authoritative;

# --- default gateway
        option routers                  192.168.?.?;
        option subnet-mask              255.255.255.0;

#       option nis-domain               "domain.org";
"/etc/dhcp/dhcpd.conf" 53L, 1275C

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restart
# /etc/rc.d/init.d/dhcpd restart