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

[User Www-data]

===> ../../ja_JP.eucJP/htdocs/ports
cd /home/www/build/head/ja_JP.eucJP/htdocs/ports;  make  DIRPRFX=../../ja_JP.eucJP/htdocs/ -f /home/www/build/head/ja_JP.eucJP/htdocs/ports/Makefile.inc0 all
===> ../../mn_MN.UTF-8/htdocs
===> ../../mn_MN.UTF-8/htdocs/doc
===> ../../mn_MN.UTF-8/htdocs/doc/books (all)
===> ../../mn_MN.UTF-8/htdocs/doc/books/handbook (all)
/usr/bin/grep '^<?xml version=.*?>' book.xml > book.parsed.xml.tmp
echo '<!DOCTYPE book PUBLIC "-//FreeBSD//DTD DocBook XML V4.5-Based Extension//EN" "../../../share/xml/freebsd45.dtd">' >> book.parsed.xml.tmp
==> Basic validation
env XML_CATALOG_FILES="file:///home/www/build/head/mn_MN.UTF-8/books/handbook/catalog-cwd.xml  file:///home/www/build/head/mn_MN.UTF-8/share/xml/catalog.xml  file:///home/www/build/head/share/xml/catalog.xml  file:///home/www/build/head/share/xml/catalog-common.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xmllint --nonet --noent --valid --xinclude --dropdtd /home/www/build/head/mn_MN.UTF-8/books/handbook/book.xml |  /usr/bin/grep -v '^<?xml version=.*?>' >> book.parsed.xml.tmp
/home/www/build/head/share/pgpkeys/pgpkeys-officers.xml:13: parser error : Entity 'a.secteam-secretary' not defined
      <title>&a.secteam-secretary;</title>
                                  ^
/home/www/build/head/share/pgpkeys/pgpkeys-officers.xml:26: parser error : chunk is not well balanced

^
/home/www/build/head/mn_MN.UTF-8/books/handbook/pgpkeys/chapter.xml:31: parser error : Failure to process entity section.pgpkeys-officers
    &section.pgpkeys-officers;
                              ^
/home/www/build/head/mn_MN.UTF-8/books/handbook/pgpkeys/chapter.xml:31: parser error : Entity 'section.pgpkeys-officers' not defined
    &section.pgpkeys-officers;
                              ^
/home/www/build/head/mn_MN.UTF-8/books/handbook/pgpkeys/chapter.xml:46: parser error : chunk is not well balanced

^
/home/www/build/head/mn_MN.UTF-8/books/handbook/book.xml:310: parser error : Failure to process entity chap.pgpkeys
    &chap.pgpkeys;
                  ^
/home/www/build/head/mn_MN.UTF-8/books/handbook/book.xml:310: parser error : Entity 'chap.pgpkeys' not defined
    &chap.pgpkeys;
                  ^
*** [book.parsed.xml] Error code 1

Stop in /home/www/build/head/mn_MN.UTF-8/books/handbook.
*** [all] Error code 1

Stop in /home/www/build/head/mn_MN.UTF-8/books.
*** [all] Error code 1

Stop in /home/www/build/head/mn_MN.UTF-8.
*** [all-all] Error code 1

Stop in /home/www/build/head/mn_MN.UTF-8/htdocs/doc.
*** [all] Error code 1

Stop in /home/www/build/head/mn_MN.UTF-8/htdocs.
*** [all] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1/htdocs.
       70.49 real        44.16 user        27.75 sys