GOautodial Open Source Omni-channel Contact Center Suite

Dear Sir,
I am using vicidial. I can make manual calls but my autodial is not working. For your better understanding here is the dial plan entry and CLI i have seen on my system. Please anyone help me. I will be grateful to you.
Dial plan Entry

exten => _6X.,1,Set(CALLERID=09614500518)
exten => _6X.,2,AGI
exten => _6X.,3,Dial(${nf}/${EXTEN:1},,tToR)
exten => _6X.,4,Hangup()

CLI report

[Feb 5 02:03:06] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:03:06] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:03:14] -- Registered SIP '8002' at 180.234.28.177:6990
[Feb 5 02:03:14] NOTICE⁹³¹⁸: chan_sip.c:21647 handle_response_peerpoke: Peer '8002' is now Reachable. (154ms / 2000ms)
[Feb 5 02:04:02] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:04:02] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:04:02] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:04:04] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:04:07] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:04:07] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:04:54] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:04:54] Using SIP RTP CoS mark 5
[Feb 5 02:04:56] > Channel SIP/8002-00000364 was answered.
[Feb 5 02:04:56] -- Executing [8600051@default:1] MeetMe("SIP/8002-00000364", "8600051,F") in new stack
[Feb 5 02:04:56] Parsing '/etc/asterisk/meetme.conf': [Feb 5 02:04:56] Found
[Feb 5 02:04:56] Parsing '/etc/asterisk/meetme-vicidial.conf': [Feb 5 02:04:56] Found
[Feb 5 02:04:56] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:04:56] -- Created MeetMe conference 1023 for conference '8600051'
[Feb 5 02:04:56] -- <SIP/8002-00000364> Playing 'conf-onlyperson.gsm' (language 'en')
[Feb 5 02:05:02] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:05:02] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:05:02] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:05:05] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:05:07] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:05:07] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:05:19] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:05:19] NOTICE²⁸⁷⁸³: chan_local.c:969 local_call: No such extension/context 9601914879927@default while calling Local channel
[Feb 5 02:05:19] NOTICE²⁸⁷⁸³: channel.c:5486 __ast_request_and_dial: Unable to call channel Local/9601914879927@default
[Feb 5 02:05:19] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:06:01] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:06:01] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:06:01] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:06:04] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:06:06] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:06:06] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:07:01] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:07:01] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:07:01] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:07:04] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:07:06] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:07:06] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:07:24] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:07:24] NOTICE²⁹⁵⁴⁶: chan_local.c:969 local_call: No such extension/context 9601711047648@default while calling Local channel
[Feb 5 02:07:24] NOTICE²⁹⁵⁴⁶: channel.c:5486 __ast_request_and_dial: Unable to call channel Local/9601711047648@default
[Feb 5 02:07:24] Manager 'sendcron' logged off from 127.0.0.1
[Feb 5 02:08:01] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:08:01] Manager 'sendcron' logged on from 127.0.0.1
[Feb 5 02:08:01] Manager 'sendcron' logged off from 127.0.0.1