This is the smb.conf that was working till yesterday

        workgroup = WORKGROUP
        server string = Acer2-Samba-Server
        passdb backend = tdbsam
        printing = cups
        printcap name = cups
        printcap cache time = 750
        cups options = raw
        map to guest = Bad User
        logon path = \\%L\profiles\.msprofile
        logon home = \\%L\%U\.9xprofile
        logon drive = P:
        usershare allow guests = Yes
        username = robber
        add machine script = /usr/sbin/useradd  -c Machine -d /var/lib/nobody -s /bin/false %m$
        domain logons = No
        domain master = No
        netbios name = ACER2LINUX
        local master = No
        security = user
       wins support = Yes 
        hosts allow =,
        hosts deny = ALL
        ldap suffix =
        wins server =
now trying to list the shares using the smbclient I got the following

smbclient -d3 --list=acer2linux
lp_load_ex: refreshing parameters
Initialising global parameters
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
params.c:pm_process() - Processing configuration file "/etc/samba/smb.conf"
Processing section "[global]"
WARNING: The "username" option is deprecated
added interface eth0 ip=fe80::21f:16ff:fe97:e1ae%eth0 bcast=fe80::ffff:ffff:ffff:ffff%eth0 netmask=ffff:ffff:ffff:ffff::
added interface wlan0 ip=fe80::222:fbff:fe3c:5114%wlan0 bcast=fe80::ffff:ffff:ffff:ffff%wlan0 netmask=ffff:ffff:ffff:ffff::
added interface wlan0 ip= bcast= netmask=
Client started (version 3.6.3-112.1-2788-SUSE-SL11.4-x86_64).
Enter robber's password: 
tdb(/var/lib/samba/gencache.tdb): tdb_open_ex: could not open file /var/lib/samba/gencache.tdb: Permission denied
resolve_lmhosts: Attempting lmhosts lookup for name acer2linux<0x20>
resolve_lmhosts: Attempting lmhosts lookup for name acer2linux<0x20>
resolve_wins: Attempting wins lookup for name acer2linux<0x20>
resolve_wins: using WINS server and tag '*'
resolve_hosts: Attempting host lookup for name acer2linux<0x20>
resolve_hosts: getaddrinfo failed for name acer2linux [Name or service not known]
name_resolve_bcast: Attempting broadcast lookup for name acer2linux<0x20>
Connection to acer2linux failed (Error NT_STATUS_BAD_NETWORK_NAME)