[Serusers] radius error

[Madan]

hi
i have installed ser with  acc/mysql/radius module
while registering a user 'm getting the following error message

can somebody please point me as to what is wrong and where

rad_recv: Access-Request packet from host myhost:33532, id=69, length=294
Thread 3 assigned request 2
Waking up in 2 seconds...
Thread 3 handling request 2, (1 handled so far)
        User-Name = "sip:test at myhost"
        Digest-Attributes = "\n\034sip:test at myhost"
        Digest-Attributes = "\001\023myhost"
        Digest-Attributes = "\002*3f338410ec3d4e634e2883b85928416ef3c364e5"
        Digest-Attributes = "\004\027sip:myhost"
        Digest-Attributes = "\003\nREGISTER"
        Digest-Attributes = "\005\006auth"
        Digest-Attributes = "\t\n00000001"
        Digest-Attributes = "\010"34555301336645129540719731434531"
        Digest-Response = "acdd6400b4c16da2a04f85334d871415"
        Service-Type = IAPP-Register
        SIP-URI-User = "test"
        NAS-IP-Address = 127.0.0.1
        NAS-Port = 5060
auth: No authenticate method (Auth-Type) configuration found for the 
request: Rejecting the user
auth: Failed to validate the user.
Delaying request 2 for 1 seconds
Finished request 2

FYI-
OS- RH 7.2
SER- latest from cvs with acc/mysql and radius
RADIUS- freeradius
------------------------------------ser.cfg---------------------------------
#
# $Id: ser.cfg,v 1.21 2003/06/04 13:47:36 jiri Exp $
#
# simple quick-start config script
#

# ----------- global configuration parameters ------------------------

debug=3         # debug level (cmd line: -dddddddddd)
fork=no
log_stderror=yes        # (cmd line: -E)

/* Uncomment these lines to enter debugging mode
debug=7
fork=no
log_stderror=yes
*/

check_via=no    # (cmd. line: -v)
dns=no           # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/ser_fifo"
mhomed=yes
listen=myhost
# ------------------ module loading ----------------------------------

# Uncomment this if you want to use SQL database

loadmodule "/usr/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.so"
loadmodule "/usr/local/lib/ser/modules/tm.so"
loadmodule "/usr/local/lib/ser/modules/rr.so"
loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
loadmodule "/usr/local/lib/ser/modules/usrloc.so"
loadmodule "/usr/local/lib/ser/modules/registrar.so"
loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
loadmodule "/usr/local/lib/ser/modules/uri.so"
loadmodule "/usr/local/lib/ser/modules/auth.so"
loadmodule "/usr/local/lib/ser/modules/auth_db.so"
loadmodule "/usr/local/lib/ser/modules/acc.so"

modparam("usrloc", "db_mode", 1)
modparam("auth_radius", 
"radius_config","/usr/local/etc/radiusclient/radiusclient.conf")

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)
modparam("acc", "log_level", 1)
modparam("acc", "radius_flag", 1)
# -------------------------  request routing logic -------------------

# main routing logic
alias=myhost
route{

        # initial sanity checks -- messages with
        # max_forwards==0, or excessively long requests

        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483","Too Many Hops");
                break;
        };
        if (len_gt( max_len )) {
                sl_send_reply("513", "Message too big");
                break;
        };

        # we record-route all messages -- to make sure that
        # subsequent messages will go through our proxy; that's
        # particularly good if upstream and downstream entities
        # use different transport protocol


        record_route();
#       if (loose_route()) {
#               t_relay();
#               break;
#       };
#
        # if the request is for other domain use UsrLoc
        # (in case, it does not work, use the following command
        # with proper names and addresses in it)
        if (uri=~"myhost") {

if (method=="REGISTER") {
 log(1, "REGISTER: Authenticating user\n");

                if (!radius_www_authorize("")) {
                        log(1, "REGISTER: challenging user\n");
                        www_challenge("", "1");
                        break;
                };
                save("location");
                break;
        };



        if (method=="INVITE") {

                log(1, "INVITE\n");
                setflag(1); /* set for accounting (the same value as in
        log_flag!) */
        };

        if (method=="MESSAGE") {
                log(1, "MESSAGE\n");
                setflag(1); /* set for accounting (the same value as in
        log_flag!) */
        };

        if (method=="BYE" || method=="CANCEL") {
                log (1, "BYE or CANCEL\n");
                setflag(1);


        };

                # native SIP destinations are handled using our USRLOC DB
                if (!lookup("location")) {
                        sl_send_reply("404", "Not Found");
                        break;
                };
        #};
        # forward to current uri now; use stateful forwarding; that
        # works reliably even if we forward from TCP to UDP
        if (!t_relay()) {
                sl_reply_error();
        };

};
}
-------------------------------------------end----------------------------------------------------------

i dunno what is wrong here..if you need any other config files to help 
me out please let me know
regards,
Madan