Digium card configuration problem

hello mates

i`m facing a problem while configuring the pri card, here is my configurations:

NOTE: using asterisk 1.2.27, Digium pri 1 port

zaptel.conf

loadzone=il
defaultzone=il

span=1,0,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16

zapata.conf

[channels]
context=default
switchtype=National
usecallerid=yes
hidecallerid=no
callwaiting=no
transfer=yes

group = 1
signalling= pri_cpe
channel => 1-15,17-31

i`m getting this error and it keeps repeating it self, what did i do wrong?

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Apr 16 04:51:02 WARNING[9528]: chan_zap.c:1584 zt_disable_ec: Unable to disable echo cancellation on channel 26
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:6532 handle_init_event: Detected alarm on channel 27: Red Alarm
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:1584 zt_disable_ec: Unable to disable echo cancellation on channel 27
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:6532 handle_init_event: Detected alarm on channel 28: Red Alarm
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:1584 zt_disable_ec: Unable to disable echo cancellation on channel 28
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:6532 handle_init_event: Detected alarm on channel 29: Red Alarm
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:1584 zt_disable_ec: Unable to disable echo cancellation on channel 29
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:6532 handle_init_event: Detected alarm on channel 30: Red Alarm
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:1584 zt_disable_ec: Unable to disable echo cancellation on channel 30
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:6532 handle_init_event: Detected alarm on channel 31: Red Alarm
Apr 16 04:51:02 WARNING[9528]: chan_zap.c:1584 zt_disable_ec: Unable to disable echo cancellation on channel 31
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 1
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 2
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 3
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 4
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 5
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 6
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 7
Apr 16 04:51:07 NOTICE[9528]: chan_zap.c:6525 handle_init_event: Alarm cleared on channel 8
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