Need help on chan_zap.c 6063 error

I am facing a unusual problem with asterisk. I am using 2 pstn line. The sever was working good but some days ago it starts to show an error. The error is :
NOTICE[18282]: chan_zap.c:6063 ss_thread: Got event 18 (Ring Begin)…
NOTICE[18282]: chan_zap.c:6063 ss_thread: Got event 2 (Ring/Answered)…
NOTICE[18282]: chan_zap.c:6063 ss_thread: Got event 18 (Ring Begin)…
WARNING[18282]: chan_zap.c:6137 ss_thread: CallerID returned with error on channel 'Zap/1-1’
………….
The server generate so many false ring after this error…
My Zapata.conf file is given below for reference::::
[channels]

language=en
;context=roamincoming
context=default
switchtype=national
signalling=fxs_ks
rxwink=300 ; Atlas seems to use long (250ms) winks
usecallerid=yes
hidecallerid=no
callwaiting=yes
;usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echotraining=yes
echocancel=yes
echocancelwhenbridged=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.5
group=1
callgroup=1
pickupgroup=1
;immediate=no
amaflags=default
accountcode=ektoo5982
ringtimeout=8000
musiconhold=default
;jitterbuffers=4
channel => 2
signalling=fxs_ks
language=en
context=default
channel => 1

can any one help me plzzzz…

NOTICE events are NOT errors.

6063 is the source code line number where the message was generated.

thanks for correction

but how can I solve this… can u help me…

Solve what?

That is not an error message.

But the asterisk is generating too many false ring showing this notice.
can u tell me why it is happining and how can i get rid of it.