Startup Error

Hi,
I am new to this forum.I am using asterisk to throw calls.I am getting error when the server is booing "line:0 Unable to open master device /dev/zap/ctl Fatal error:runing wcfxo"
In am using CentOS 4.5,Asterisk 1.2.17,Zaptel 1.2.16,libpri 1.2.16.astguiclient 2.0.3b5 Also I am using X100p card.
Thanks in Advance
I am new to this forum.I am using asterisk to throw calls.I am getting error when the server is booing "line:0 Unable to open master device /dev/zap/ctl Fatal error:runing wcfxo"
In am using CentOS 4.5,Asterisk 1.2.17,Zaptel 1.2.16,libpri 1.2.16.astguiclient 2.0.3b5 Also I am using X100p card.
Thanks in Advance