XML undefined entity

Herkum has asked for the wisdom of the Perl Monks concerning the following question:

I keep getting error using XML::XPath

undefined entity at line 251, column 17, byte 13602:
    &lt;br&gt;Hubertusstrasse 2
    &lt;br&gt;D-85521 Ottobrunn
    &lt;br&gt;Geb&Atilde;&frac14;hrenfreie Rufnummer: 0800 273 28 27
================^
    &lt;br&gt;Agentur Direktwahl: +49 (0)89 608 066 0
    &lt;br&gt;Fax: +49 (0)89 608 066 33
 at /usr/local/perl5.10/lib/site_perl/5.10.0/i686-linux/XML/Parser.pm 
+line 187
[download]

I know it is a parser error but I will be damned if I know that I am looking at or what to do about? HELP!

Comment on XML undefined entity Download Code

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Re: XML undefined entity by grantm (Parson) on Nov 07, 2008 at 00:40 UTC
http://perl-xml.sourceforge.net/faq/#undefined_entity	[reply]
Re^2: XML undefined entity by Herkum (Parson) on Nov 07, 2008 at 04:12 UTC
Is this supposed to mean that the character that it is looking at, it does not know what it means? OK, so how do I deal with it?	[reply]
Re^3: XML undefined entity by ikegami (Patriarch) on Nov 07, 2008 at 04:17 UTC
Like the linked document says, You can include all these character entities into your DTD, so that you won't have to worry about it anymore It then proceeds to show an example.	[reply]
Re: XML undefined entity by f00li5h (Chaplain) on Nov 07, 2008 at 00:07 UTC
where is this XML coming from? it sounds like you have an `&something-not-known-by-the-parser;`... likely this critter `¼` `@_=qw; ask f00li5h to appear and remain for a moment of pretend better than a lifetime;;s;;@_[map hex,split'',B204316D8C2A4516DE];;y/05/os/&print;`	[reply] [d/l] [select]