getting an Error as missing: attach failed

Hi all;

I am getting an Error message vpb(1,3): cannot answer call when i
execute bayonne -T  myscript.scr below is the output of the trace.
Please help, what is wrong that i am doing.


tams1: 6 steps compiled
playrec: 12 steps compiled
playrec::play: 10 steps compiled
playrec::record: 9 steps compiled
cdr: unknown keyword; tams(16)
import: unknown keyword; tams(19)
export: unknown keyword; tams(23)
export: unknown keyword; tams(28)
tams: 8 steps compiled
vmhost: 11 steps compiled
vmhost::memo: 4 steps compiled
vmhost::send: 10 steps compiled
vmhost::login: 16 steps compiled
vmhost::fail: 5 steps compiled
vmhost::bye: 2 steps compiled
vmhost::exit: 2 steps compiled
vmhost::caller: 21 steps compiled
cidlog: 3 steps compiled
dial: 2 steps compiled
dial::transaction: 3 steps compiled
test2: 4 steps compiled
testperl: 10 steps compiled
loading default trunk group
loading outgoing trunk group
loading did trunk group
vpb(1,0): idle
vpb(1,1): idle
vpb(1,2): idle
vpb(1,3): idle
vpb: initalized 4 ports successfully...
driver started 4 port(s)
normal startup; Bayonne Runtime Configuration
fifo: path=/var/run/bayonne/bayonne.ctrl

scheduler: using /etc/bayonne.sched
vpb: event thread started...
network: starting
scheduler starting...
vpb(1,3): ring
neivr.scr: missing; attach failed
vpb(1,3): cannot answer call

==================================================

my bayonne.conf have following entries.


[paths]

tmpfs=/dev/shm
libpath=/usr/local/lib/bayonne
tgipath=/usr/local/libexec/bayonne:/bin:/usr/bin:/sbin:/usr/sbin
libexec=/root/BAYONNE-B2/bayonne-1.0.8/data
datafiles=/var/bayonne/prompts
scripts=/root/BAYONNE-B2/bayonne-1.0.8/data/script
prompts=/root/BAYONNE-B2/bayonne-1.0.8/data/
altprompts=/var/bayonne/prompts
runfiles=/var/run/bayonne
spool=/var/spool/bayonne
wrappers=/usr/local/share/aawrappers
php=/var/www/inc/bayonne.inc



Please help 

Thanks in advance