FreeBSD web build failed on build-web.ysv.freebsd.org

[User Www-data]

===> ../../hu_HU.ISO8859-2/htdocs/developers
===> ../../hu_HU.ISO8859-2/htdocs/docproj
===> ../../hu_HU.ISO8859-2/htdocs/docs
===> ../../hu_HU.ISO8859-2/htdocs/events
===> ../../hu_HU.ISO8859-2/htdocs/news
===> ../../hu_HU.ISO8859-2/htdocs/news/2008
===> ../../hu_HU.ISO8859-2/htdocs/news/2009
===> ../../hu_HU.ISO8859-2/htdocs/platforms
===> ../../hu_HU.ISO8859-2/htdocs/platforms/ia64
===> ../../hu_HU.ISO8859-2/htdocs/projects
===> ../../hu_HU.ISO8859-2/htdocs/search
===> ../../hu_HU.ISO8859-2/htdocs/security
===> ../../hu_HU.ISO8859-2/htdocs/support
===> ../../it_IT.ISO8859-15/htdocs
===> ../../it_IT.ISO8859-15/htdocs/copyright
===> ../../it_IT.ISO8859-15/htdocs/docs
===> ../../it_IT.ISO8859-15/htdocs/platforms
===> ../../it_IT.ISO8859-15/htdocs/ports
===> ../../it_IT.ISO8859-15/htdocs/releases
===> ../../it_IT.ISO8859-15/htdocs/releases/4.10R
===> ../../it_IT.ISO8859-15/htdocs/releases/4.11R
===> ../../it_IT.ISO8859-15/htdocs/releases/5.2R
===> ../../it_IT.ISO8859-15/htdocs/releases/5.2.1R
===> ../../it_IT.ISO8859-15/htdocs/releases/5.3R
===> ../../it_IT.ISO8859-15/htdocs/releases/5.4R
===> ../../it_IT.ISO8859-15/htdocs/releases/6.0R
===> ../../ja_JP.eucJP/htdocs
===> ../../ja_JP.eucJP/htdocs/commercial
===> ../../ja_JP.eucJP/htdocs/community
===> ../../ja_JP.eucJP/htdocs/copyright
===> ../../ja_JP.eucJP/htdocs/developers
===> ../../ja_JP.eucJP/htdocs/docproj
===> ../../ja_JP.eucJP/htdocs/docs
env XML_CATALOG_FILES="file:///usr/local/www/build/head/ja_JP.eucJP/htdocs/docs/catalog-cwd.xml  file:///usr/local/www/build/head/ja_JP.eucJP/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xmllint  --xinclude --valid --noout --nonet books.xml
books.xml:170: parser error : Entity 'url.articles' not defined
    <p><a href="&url.articles;/leap-seconds/index.html">&os; Support
                              ^
*** Error code 4

Stop.
make[2]: stopped in /usr/local/www/build/head/ja_JP.eucJP/htdocs/docs
*** Error code 1

Stop.
make[1]: stopped in /usr/local/www/build/head/ja_JP.eucJP/htdocs
*** Error code 1

Stop.
make: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs
        8.20 real         3.32 user         5.25 sys