What is mean of this message?

[Mark.Andrews at nominum.com]

> 
> Hi all!
> When I use "ndc reload", I got this message from /var/log/messages.
> And name server can not resolve this domain name.
> But I can not understand what is mean.
> Could you explain what is wrong?
> 
> Feb 15 10:03:39 ns1 named[239]: /etc/named.conf:35449: cannot redefine zone '
> o-bro.com' class IN

	You tried to define the zone "o-bro.com" twice in named.conf.  The
	second definition is around line 35449 of named.conf.

	Mark
> 
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--
Mark Andrews, Nominum Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com