[asterisk-users] CAS signalling on span 2 conflicts with HDLC with FCS check on channel 20

[younss azzayani]

hello my friends,
 when i make a genzaptelconf i get this message
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CAS signalling on span 2 conflicts with HDLC with FCS check on channel
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Any idea Please?
I m installing zaptel 1.4
i checked in "http://bugs.digium.com/view.php?id=7860" that it's a bug
but beacause i m a newbie in asterisk i can't undrestand what exactly mean
Thank You