Need help to install RIPE whois server

What I get executing the command :

# src/whois-server -p /opt/whoisserver/whoisd.pid -c conf/rip.config
Configuration [conf/rip.config]:
Whois  port: 1
Config port: 2
Mirror port: 3
Lookup port: 4
Update port: 5 for DB-TEST
*Running* as root, dropping privileges:
 getpwnam failed for dbase - Success
 *** died: +634 modules/sv/server.c
 *** Backtrace with command line /usr/bin/gdb -q -batch -x /usr/local/whois/conf/gdbcomm --pid=13550 1>&2

[Thread debugging using libthread_db enabled]
[New Thread 0xb70beb70 (LWP 13551)]
0xb775f424 in __kernel_vsyscall ()
#0  0xb775f424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb732502b in waitpid () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb72c6e63 in ?? () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb72c71f2 in system () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#4  0xb73e23bd in system () from /lib/i686/cmov/libpthread.so.0
No symbol table info available.
#5  0x08086f55 in do_nice_die (line=634, file=0x80f1f1c "modules/sv/server.c") at modules/th/thread.c:341
        buf = "/usr/bin/gdb -q -batch -x /usr/local/whois/conf/gdbcomm --pid=13550 1>&2\n\000\000\000\000\000\000\000\364\277w\267\260}\271\277\270\006\256\t`|\271\277B\222v\267P|\271\277\000\000\000\000D|\271\277D\006\256\t\000\000\000\000\000\000\000\000\002", '\000' <repeats 11 times>"\350, \004\256\t\004\000\000\000\340\000\256\t>\344v\267\364\277w\267\344\304w\267\360\031w\267`|\271\277\000\000\000\000\260}\271\277D|\271\277P|\271\277\000\000\000\000\350\004\256\t\000\000\000\000\260\002\256\t\000\000\000\000\340}\271\277\001\000\000\200\000\000\000\000\302\n9\267\350\004\256\t\000\000\000\000D\256)\267\020ii\rp|\271\277\026\212v\267f\b*\267\024]=\267\330|\271\277\204|\271\277D\212v\267\224g)\267\021ii"...
#6  0x080840bc in SV_start (pidfile=0x9abc290 "/opt/whoisserver/whoisd.pid") at modules/sv/server.c:634
        passwent = 0x0
        procuser = 0x9adfc80 "dbase"
        lenproc = 6
        whois_port = 1
        config_port = 2
        mirror_port = 3
        lookup_port = 4
        update_port = 5
        update_mode = 2
        pid_fd = 9
        nwrite = 5
        tval = {tv_sec = 1308820269, tv_usec = 763583}
        starttime = "p\373\255\t\300\373\255\t\240\373\255\t$TIMESTAMP whois_rip-$PID/$TID UD-$SEV-$SEVERITY $MESSAGE\n\000\t\000\000\0\260\277!\b\370\301\b\b\230\200\271\277"\b\024\351\016\b\t\004\000\000;\303\006\bx\254!\bF\301\006\b\000\000\000\00        server_pid = "13550\000\255\t \343\016\b\240\345\037\b"
---Type <return> to continue, or q <return> to quit---
        source_hdl = 0x0
        source_name = 0x81fe138 "\\\331\037\b\370\310w\267"
        source = 1
        db_connection = 0x9adfc20
        shutdown_pipe = {134679113, -1078362104}
        retval = 1
        ufds = {fd = 0, events = 32728, revents = -16455}
        myrlimit = {rlim_cur = 18446744073709551615, rlim_max = 18446744073709551615}
#7  0x08063c56 in main (argc=5, argv=0xbfb98194) at whois-server_src/whois-server.c:190
        prop_file_name = 0x9abc2b0 "organisation"
        pid_file_name = 0x9abc290 "/opt/whoisserver/whoisd.pid"
        result = 0x9abc200 ""
        c = -1
        ret = 135192937
        errflg = 0
        boot_ctx = 0x9abc200
 *** Signal 11 caught by PID 13550, segfault handler starting
Erreur de segmentation


Savadogo Yassia
yassias@yahoo.fr