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

[User Www-data]

	                                             ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1347: parser error : EntityRef: expecting ';'
	    the maximum &man.fsck.8'able filesystem is ~60&nbps;TB.</para>
	                           ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1347: parser error : Entity 'nbps' not defined
	    the maximum &man.fsck.8'able filesystem is ~60&nbps;TB.</para>
	                                                        ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1349: parser error : EntityRef: expecting ';'
	  <para>If there was not a &man.fsck.8 memory limit the maximum
	                                      ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1350: parser error : Entity 'nbps' not defined
	    filesystem size would be 2&nbps;^&nbps;64 (blocks) * 32&nbps;KB
	                                    ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1350: parser error : Entity 'nbps' not defined
	    filesystem size would be 2&nbps;^&nbps;64 (blocks) * 32&nbps;KB
	                                           ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1350: parser error : Entity 'nbps' not defined
	    filesystem size would be 2&nbps;^&nbps;64 (blocks) * 32&nbps;KB
	                                                                 ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1351: parser error : Entity 'nbps' not defined
	    => 16 Exa * 32&nbps;KB => 512 ZettaBytes.</para>
	                        ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1356: parser error : Entity 'nbps' not defined
	    indirect blocks, the calculation is 32&nbps;KB * 12 +
	                                                ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1357: parser error : Entity 'nbps' not defined
	    32&nbps;KB * 4096 + 32&nbps;KB * 4096^2 + 32&nbps;KB *
	            ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1357: parser error : Entity 'nbps' not defined
	    32&nbps;KB * 4096 + 32&nbps;KB * 4096^2 + 32&nbps;KB *
	                                ^
/home/www/build/head/en_US.ISO8859-1/books/faq/book.xml:1357: parser error : Entity 'nbps' not defined
	    32&nbps;KB * 4096 + 32&nbps;KB * 4096^2 + 32&nbps;KB *
	                                                      ^
*** [book.parsed.xml] Error code 1

Stop in /home/www/build/head/en_US.ISO8859-1/books/faq.
*** [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.
        6.98 real         3.36 user         3.80 sys