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

[User Www-data]

                              ^
/home/www/build/head/en_US.ISO8859-1/books/handbook/eresources/chapter.xml:380: parser error : Entity 'man.jail.8' not defined
	      <entry>Discussion about the &man.jail.8;
	                                              ^
/home/www/build/head/en_US.ISO8859-1/books/handbook/eresources/chapter.xml:551: parser error : Entity 'man.sysinstall.8' not defined
	      <entry>&man.sysinstall.8; development</entry>
	                               ^
/home/www/build/head/en_US.ISO8859-1/books/handbook/eresources/chapter.xml:2388: parser error : chunk is not well balanced

^
/home/www/build/head/en_US.ISO8859-1/books/handbook/book.xml:301: parser error : Failure to process entity chap.eresources
    &chap.eresources;
                     ^
/home/www/build/head/en_US.ISO8859-1/books/handbook/book.xml:301: parser error : Entity 'chap.eresources' not defined
    &chap.eresources;
                     ^
/home/www/build/head/en_US.ISO8859-1/share/xml/glossary.ent:453: parser error : Entity 'man.crypt.3' not defined
	  method of encryption for &unix; passwords and the &man.crypt.3;
	                                                                 ^
/home/www/build/head/en_US.ISO8859-1/share/xml/glossary.ent:951: parser error : Entity 'man.witness.4' not defined
	  (but removed for releases), called &man.witness.4;,
	                                                    ^
/home/www/build/head/en_US.ISO8859-1/share/xml/glossary.ent:953: parser error : Entity 'man.witness.4' not defined
	  (&man.witness.4; is actually slightly conservative, so
	                  ^
/home/www/build/head/en_US.ISO8859-1/share/xml/glossary.ent:2031: parser error : chunk is not well balanced

^
/home/www/build/head/en_US.ISO8859-1/books/handbook/book.xml:304: parser error : Failure to process entity chap.freebsd-glossary
  &chap.freebsd-glossary;
                         ^
/home/www/build/head/en_US.ISO8859-1/books/handbook/book.xml:304: parser error : Entity 'chap.freebsd-glossary' not defined
  &chap.freebsd-glossary;
                         ^
*** [book.parsed.xml] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1/books/handbook.
*** [all] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1/books.
*** [all] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1.
*** [all-all] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1/htdocs/doc.
*** [all] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1/htdocs.
        7.94 real         3.94 user         4.27 sys