Rhino Ceros PRI amportal start fails

This is what I see in the log:

Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 15
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 16
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 17
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 18
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 19
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 20
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 21
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 22
Mar 26 14:07:05 VERBOSE[2921] logger.c: -- Unregistered channel 23
Mar 26 14:07:05 WARNING[2921] loader.c: Loading module chan_zap.so failed!

zaptel.conf:

# Autogenerated by /usr/local/sbin/genzaptelconf -- do not hand edit
# Zaptel Configuration File
#
# This file is parsed by the Zaptel Configurator, ztcfg
#

# It must be in the module loading order

# Span 1: R1T1/0 "Rhino R1T1 T1/PRI Card 0"
span=1,1,0,esf,b8zs
# configure for Voice T1
#fxoks = 1-24

#configure for PRI
bchan = 1-23
dchan = 24
loadzone = us
defaultzone = us

zapata.conf:

[trunkgroups]

[channels]

switchtype=national
language=en
context=from-pstn
signalling=pri_cpe
channel => 1-23
rxwink=300 ; Atlas seems to use long (250ms) winks
;
; Whether or not to do distinctive ring detection on FXO lines
;
;usedistinctiveringdetection=yes
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=800
rxgain=0.0
txgain=0.0
group=0
callgroup=1
pickupgroup=1
immediate=no
group=1

zttool says 24 channels configured but alarm is red instead of ok. I think there s an issue with the signal from the pri line but that shouldnt affect starting of asterisk right?