Error install asterisk

[color=darkred]i installed ubuntu 8.04,MySQL,Webmin,php,FreePBX, but when start asterisk, it show error:[/color]
== Parsing ‘/etc/asterisk/asterisk.conf’: Found
== Parsing ‘/etc/asterisk/extconfig.conf’: Found
Asterisk 1.2.19, Copyright © 1999 - 2007 Digium, Inc. and others.
Created by Mark Spencer markster@digium.com
Asterisk comes with ABSOLUTELY NO WARRANTY; type ‘show warranty’ for details.
This is free software, with components licensed under the GNU General Public
License version 2 and other licenses; you are welcome to redistribute it under
certain conditions. Type ‘show license’ for details.

== Parsing ‘/etc/asterisk/logger.conf’: Found
Asterisk Event Logger Started /var/log/asterisk/event_log
== Parsing ‘/etc/asterisk/dnsmgr.conf’: Found
Asterisk Dynamic Loader loading preload modules:
== Parsing ‘/etc/asterisk/modules.conf’: Found
== Manager registered action Ping
== Manager registered action Events
== Manager registered action Logoff
== Manager registered action Hangup
== Manager registered action Status
== Manager registered action Setvar
== Manager registered action Getvar
== Manager registered action Redirect
== Manager registered action Originate
== Manager registered action Command
== Manager registered action ExtensionState
== Manager registered action AbsoluteTimeout
== Manager registered action MailboxStatus
== Manager registered action MailboxCount
== Manager registered action ListCommands
== Parsing ‘/etc/asterisk/manager.conf’: Found
== Parsing ‘/etc/asterisk/cdr.conf’: Found
Dec 11 07:02:37 NOTICE[4485]: cdr.c:1213 do_reload: CDR simple logging enabled.
== Parsing ‘/etc/asterisk/rtp.conf’: Found
== RTP Allocating from port range 10000 -> 20000
Asterisk PBX Core Initializing
Registering builtin applications:
[AbsoluteTimeout]
== Registered application ‘AbsoluteTimeout’
[Answer]
== Registered application ‘Answer’
[BackGround]
== Registered application ‘BackGround’
[Busy]
== Registered application ‘Busy’
[Congestion]
== Registered application ‘Congestion’
[DigitTimeout]
== Registered application ‘DigitTimeout’
[Goto]
== Registered application ‘Goto’
[GotoIf]
== Registered application ‘GotoIf’
[GotoIfTime]
== Registered application ‘GotoIfTime’
[ExecIfTime]
== Registered application ‘ExecIfTime’
[Hangup]
== Registered application ‘Hangup’
[NoOp]
== Registered application ‘NoOp’
[Progress]
== Registered application ‘Progress’
[ResetCDR]
== Registered application ‘ResetCDR’
[ResponseTimeout]
== Registered application ‘ResponseTimeout’
[Ringing]
== Registered application ‘Ringing’
[SayNumber]
== Registered application ‘SayNumber’
[SayDigits]
== Registered application ‘SayDigits’
[SayAlpha]
== Registered application ‘SayAlpha’
[SayPhonetic]
== Registered application ‘SayPhonetic’
[SetAccount]
== Registered application ‘SetAccount’
[SetAMAFlags]
== Registered application ‘SetAMAFlags’
[SetGlobalVar]
== Registered application ‘SetGlobalVar’
[SetLanguage]
== Registered application ‘SetLanguage’
[Set]
== Registered application ‘Set’
[SetVar]
== Registered application ‘SetVar’
[ImportVar]
== Registered application ‘ImportVar’
[Wait]
== Registered application ‘Wait’
[WaitExten]
== Registered application ‘WaitExten’
== Manager registered action DBGet
== Manager registered action DBPut
== Parsing ‘/etc/asterisk/enum.conf’: Found
Asterisk Dynamic Loader Starting:
== Parsing ‘/etc/asterisk/modules.conf’: Found
[res_musiconhold.so] => (Music On Hold Resource)
== Registered application ‘MusicOnHold’
== Registered application ‘WaitMusicOnHold’
== Registered application ‘SetMusicOnHold’
== Registered application ‘StartMusicOnHold’
== Registered application ‘StopMusicOnHold’
== Parsing ‘/etc/asterisk/musiconhold.conf’: Found
[res_clioriginate.so]Dec 11 07:02:37 WARNING[4485]: loader.c:326 __load_resource: /usr/lib/asterisk/modules/res_clioriginate.so: undefined symbol: ast_module_unregister
Dec 11 07:02:37 WARNING[4485]: loader.c:555 load_modules: Loading

[color=red]who can help me?[/color]
[color=blue]Email of me: thanh_hien73@yahoo.com[/color]