FreeBSD web build failed on www.freebsd.org

[World Wide Web Owner]

install -c  -o www -g wwwadm -m 444 imagelib/callouts/8.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/9.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/10.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 book.html /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook
install -c  -o www -g wwwadm -m 444 docbook.css /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook
install -c  -o www -g wwwadm -m 444 imagelib/callouts/1.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/2.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/3.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/4.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/5.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/6.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/7.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/8.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/9.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
install -c  -o www -g wwwadm -m 444 imagelib/callouts/10.png  /w/www/build/www/en/doc/en_US.ISO8859-1/books/porters-handbook/imagelib/callouts
/w/www/build/www/en/doc/faq -> /w/www/build/www/en/doc/en_US.ISO8859-1/books/faq
/w/www/build/www/en/doc/handbook -> /w/www/build/www/en/doc/en_US.ISO8859-1/books/handbook
/w/www/build/www/en/doc/en -> /w/www/build/www/en/doc/en_US.ISO8859-1
===> ports
cd /w/www/build/www/en/ports;  make  -f /w/www/build/www/en/ports/Makefile.inc0 all
===> relnotes
===> relnotes/CURRENT/share/sgml
===> relnotes/CURRENT/en_US.ISO8859-1
===> relnotes/CURRENT/en_US.ISO8859-1/relnotes
===> relnotes/CURRENT/en_US.ISO8859-1/hardware
===> relnotes/CURRENT/en_US.ISO8859-1/hardware/amd64
cd /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../../../share/sgml && make dev-auto.sgml
`dev-auto.sgml' is up to date.
Index is disabled or no index to generate.
/usr/bin/env SP_ENCODING=ISO-8859-1 /usr/local/bin/jade -V nochunks -ioutput.html -d /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../../../share/sgml/default.dsl -ifreebsd.urls.absolute -V %generate-legalnotice-link% -V %generate-docformat-navi-link% -ioutput.html.images  -V %generate-article-toc% -ino.include.historic -D /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../../../share/images/articles/amd64 -D /usr/obj/w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64 -c /w/www/build/doc/en_US.ISO8859-1/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 /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../../../en_US.ISO8859-1/share/sgml/catalog -c /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../../../share/sgml/catalog -c /usr/local/share/sgml/catalog.ports -c /w/www/build/relnotes/doc/en_U
 S.ISO8859-1/hardware/amd64/../../../share/sgml/catalog-auto -c /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../../../share/sgml/catalog-auto -t sgml /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/article.sgml > article.html ||  (/bin/rm -f article.html && false)
/usr/local/bin/jade:/w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64/../common/../common/dev.sgml:251:16:E: general entity "man.msk.4" not defined and no default entity
*** Error code 1

Stop in /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware/amd64.
*** Error code 1

Stop in /w/www/build/relnotes/doc/en_US.ISO8859-1/hardware.
*** Error code 1

Stop in /w/www/build/relnotes/doc/en_US.ISO8859-1.
*** Error code 1

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

Stop in /w/www/build/www/en/relnotes.
*** Error code 1

Stop in /w/www/build/www/en.
      172.80 real        54.63 user        21.98 sys