samba: Packet send failed to 192.168.0.255(137) ERRNO=Operat

[linuxboy_inside]

this is my smb.conf

Processing section "[homes]"
Processing section "[netlogon]"
Processing section "[Profiles]"
Processing section "[printers]"
Server's Role (logon server) conflicts with share-level security
Loaded services file OK.
# Global parameters
[global]
workgroup = PILIGROUP
netbios name = CATINDIG
server string = PDC Samba Server
interfaces = 192.168.0.1/255.255.255.0
bind interfaces only = Yes
security = SHARE
auth methods = /etc/samba/smbpasswd
password server = None
log file = /var/log/samba/%m.log
max log size = 50
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
domain logons = Yes
os level = 64
domain master = Yes
wins support = Yes
ldap ssl = no
default service = global
idmap uid = 16777216-33554431
idmap gid = 16777216-33554431
path = /home/student
valid users = student
hosts allow = 127.0.0.1, 192.168.0.1/255.255.255.0

[homes]
comment = Home Directories
read only = No

[netlogon]
comment = Network Logon Service
path = /home/netlogon
guest ok = Yes
share modes = No

[Profiles]
path = /home/profiles
guest ok = Yes
browseable = No

[printers]
comment = All Printers
path = /var/spool/samba
printable = Yes
browseable = No
---------------------------------------------------------------------------

Server's Role (logon server) conflicts with share-level security
Packet send failed to 127.0.0.1(137) ERRNO=Operation not permitted
Packet send failed to 192.168.0.255(137) ERRNO=Operation not permitted
Connection to piligroup failed

any help would be appreciated...