FreeBSD web build failed on www.freebsd.org

[World Wide Web Owner]

install -C  -o www -g wwwadm -m 444 imagelib/callouts/10.png  /w/www/build/www/zh_CN/doc/zh_CN.GB2312/books/porters-handbook/imagelib/callouts
/w/www/build/www/zh_CN/doc/zh_CN -> /w/www/build/www/zh_CN/doc/zh_CN.GB2312
===> ../zh_CN/layout
===> ../zh_CN/layout/css
===> ../zh_TW
===> ../zh_TW/doc
===> ../zh_TW/doc/articles (all)
===> ../zh_TW/doc/articles/contributing (all)
===> ../zh_TW/doc/articles/cvs-freebsd (all)
===> ../zh_TW/doc/articles/freebsd-questions (all)
===> ../zh_TW/doc/articles/hubs (all)
===> ../zh_TW/doc/articles/mailing-list-faq (all)
===> ../zh_TW/doc/articles/nanobsd (all)
===> ../zh_TW/doc/articles/pr-guidelines (all)
===> ../zh_TW/doc/articles/problem-reports (all)
===> ../zh_TW/doc/books (all)
===> ../zh_TW/doc/books/developers-handbook (all)
===> ../zh_TW/doc/books/faq (all)
===> ../zh_TW/doc/books/fdp-primer (all)
===> ../zh_TW/doc/books/handbook (all)
/bin/cp -p /w/www/build/doc/zh_TW.Big5/books/handbook/../../../share/images/callouts/11.png  imagelib/callouts/11.png
/bin/cp -p /w/www/build/doc/zh_TW.Big5/books/handbook/../../../share/images/callouts/12.png  imagelib/callouts/12.png
/bin/cp -p /w/www/build/doc/zh_TW.Big5/books/handbook/../../../share/images/callouts/13.png  imagelib/callouts/13.png
/bin/cp -p /w/www/build/doc/zh_TW.Big5/books/handbook/../../../share/images/callouts/14.png  imagelib/callouts/14.png
/bin/cp -p /w/www/build/doc/zh_TW.Big5/books/handbook/../../../share/images/callouts/15.png  imagelib/callouts/15.png
/usr/bin/perl /usr/local/share/sgml/docbook/dsssl/modular/bin/collateindex.pl -i doc-index -N -o index.sgml
/usr/bin/env SP_ENCODING=Big5 /usr/local/bin/jade -V html-index -ioutput.html -d /w/www/build/doc/share/sgml/default.dsl -ifreebsd.urls.relprefix.4 -V %generate-legalnotice-link% -V %generate-docformat-navi-link% -ioutput.html.images  -i chap.index -i chap.audit -i chap.advanced-networking -i chap.basics -i chap.bibliography -i chap.boot -i chap.config -i chap.cutting-edge -i chap.desktop -i chap.disks -i chap.eresources -i chap.firewalls -i chap.geom -i chap.install -i chap.introduction -i chap.kernelconfig -i chap.l10n -i chap.linuxemu -i chap.mac -i chap.mail -i chap.mirrors -i chap.multimedia -i chap.network-servers -i chap.pgpkeys -i chap.ports -i chap.ppp-and-slip -i chap.printing -i chap.security -i chap.serialcomms -i chap.users -i chap.vinum -i chap.x11 -i chap.freebsd-glossary -D /w/www/build/doc/zh_TW.Big5/books/handbook/../../../share/images/books/handbook -D /usr/obj/w/www/build/doc/zh_TW.Big5/books/handbook -c /w/www/build/doc/zh_TW.Big5/share/sgml/catalog -c /w
 /www/build/doc/share/sgml/catalog -c /usr/local/share/sgml/docbook/dsssl/modular/catalog -c /usr/local/share/sgml/iso8879/catalog -c /usr/local/share/sgml/jade/catalog -c /usr/local/share/sgml/catalog.ports -t sgml /w/www/build/doc/zh_TW.Big5/books/handbook/book.sgml > /dev/null
/usr/local/bin/jade:/w/www/build/doc/zh_TW.Big5/books/handbook/x11/chapter.sgml:1441:12:X: reference to non-existent ID "DEFAULT-DESKTOP"
/usr/local/bin/jade:/w/www/build/doc/zh_TW.Big5/books/handbook/x11/chapter.sgml:1611:42:X: reference to non-existent ID "DEFAULT-DESKTOP"
/usr/local/bin/jade:/usr/local/share/sgml/docbook/dsssl/modular/html/dblink.dsl:203:1:E: XRef LinkEnd to missing ID 'DEFAULT-DESKTOP'
/usr/local/bin/jade:/usr/local/share/sgml/docbook/dsssl/modular/html/dblink.dsl:203:1:E: XRef LinkEnd to missing ID 'DEFAULT-DESKTOP'
*** Error code 1

Stop in /w/www/build/doc/zh_TW.Big5/books/handbook.
*** Error code 1

Stop in /w/www/build/doc/zh_TW.Big5/books.
*** Error code 1

Stop in /w/www/build/doc/zh_TW.Big5.
*** Error code 1

Stop in /w/www/build/www/zh_TW/doc.
*** Error code 1

Stop in /w/www/build/www/zh_TW.
*** Error code 1

Stop in /w/www/build/www/en.
    20815.59 real     15357.65 user       337.81 sys