[asterisk-dev] Asterisk running error

[Sravana]

Hi all,
While running asterisk, I am getting one error. Can you find what i have 
to do?

here is my console:
 [root at sindhuram ~]# asterisk -vvvvc
Asterisk SVN-oej-res_auth-r59601M, Copyright (C) 1999 - 2006 Digium, 
Inc. and others.
Created by Mark Spencer <markster at digium.com>
Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core 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 'core show license' for details.
=========================================================================
NOTE: This is a development version of Asterisk, and should not be used in
production installations.
  == Parsing '/etc/asterisk/asterisk.conf': Found
  == Parsing '/etc/asterisk/extconfig.conf': Found
  == Parsing '/etc/asterisk/logger.conf': Found
Asterisk Event Logger Started /var/log/asterisk/event_log
Asterisk Dynamic Loader Starting:
  == Parsing '/etc/asterisk/modules.conf': Found
  == Parsing '/etc/asterisk/dnsmgr.conf': Found
  == Parsing '/etc/asterisk/http.conf': Found
  == Manager registered action Ping
  == Manager registered action Events
  == Manager registered action Logoff
  == Manager registered action Login
  == Manager registered action Challenge
  == Manager registered action Hangup
  == Manager registered action Status
  == Manager registered action Setvar
  == Manager registered action Getvar
  == Manager registered action GetConfig
  == Manager registered action GetConfigJSON
  == Manager registered action UpdateConfig
  == 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
  == Manager registered action SendText
  == Manager registered action UserEvent
  == Manager registered action WaitEvent
  == Parsing '/etc/asterisk/manager.conf': Found
  == Parsing '/etc/asterisk/cdr.conf': Found
[Apr  1 18:03:31] NOTICE[4961]: cdr.c:1227 do_reload: CDR simple logging 
enabled.
  == Parsing '/etc/asterisk/rtp.conf': Found
  == RTP Allocating from port range 10000 -> 20000
  == Parsing '/etc/asterisk/udptl.conf': Found
  == UDPTL allocating from port range 4000 -> 4999
Asterisk PBX Core Initializing
Registering builtin applications:
 [Answer]
  == Registered application 'Answer'
 [BackGround]
  == Registered application 'BackGround'
 [Busy]
  == Registered application 'Busy'
 [Congestion]
  == Registered application 'Congestion'
 [ExecIfTime]
  == Registered application 'ExecIfTime'
 [Goto]
  == Registered application 'Goto'
 [GotoIf]
  == Registered application 'GotoIf'
 [GotoIfTime]
  == Registered application 'GotoIfTime'
 [ImportVar]
  == Registered application 'ImportVar'
 [Hangup]
  == Registered application 'Hangup'
 [NoOp]
  == Registered application 'NoOp'
 [Progress]
  == Registered application 'Progress'
 [ResetCDR]
  == Registered application 'ResetCDR'
 [Ringing]
  == Registered application 'Ringing'
 [SayAlpha]
  == Registered application 'SayAlpha'
 [SayDigits]
  == Registered application 'SayDigits'
 [SayNumber]
  == Registered application 'SayNumber'
 [SayPhonetic]
  == Registered application 'SayPhonetic'
 [Set]
  == Registered application 'Set'
 [SetAMAFlags]
  == Registered application 'SetAMAFlags'
 [Wait]
  == Registered application 'Wait'
 [WaitExten]
  == Registered application 'WaitExten'
  == Manager registered action ShowDialPlan
  == Manager registered action DBGet
  == Manager registered action DBPut
  == Manager registered action DBDel
  == Manager registered action DBDelTree
  == Parsing '/etc/asterisk/enum.conf': Found
Asterisk Dynamic Loader Starting:
  == Parsing '/etc/asterisk/modules.conf': Found
[Apr  1 18:03:31] NOTICE[4961]: loader.c:803 load_modules: 140 modules 
will be loaded.
  == Registered application 'MusicOnHold'
  == Registered application 'WaitMusicOnHold'
  == Registered application 'SetMusicOnHold'
  == Registered application 'StartMusicOnHold'
  == Registered application 'StopMusicOnHold'
  == Parsing '/etc/asterisk/musiconhold.conf': Found
res_musiconhold.so => (Music On Hold Resource)
  == Registered application 'Monitor'
  == Registered application 'StopMonitor'
  == Registered application 'ChangeMonitor'
  == Registered application 'PauseMonitor'
  == Registered application 'UnpauseMonitor'
  == Manager registered action Monitor
asterisk: symbol lookup error: /usr/lib/asterisk/modules/res_auth.so: 
undefined symbol: ldap_init
[root at sindhuram ~]#

thanks in advance.
--
Sravana