FreeBSD web build failed on freefall.freebsd.org

[WWW pseudo-user]

===> donations
===> events
Generating curdate.xml
/usr/local/bin/xsltproc  -o events.html  /c/www/build/www/en/events/events.xsl /c/www/build/www/en/events/events.xml
/usr/local/bin/tidy -i -m -raw -preserve -f /dev/null -asxml  events.html
===> events/2002
===> events/2003
===> gnome
/usr/local/bin/xsltproc  -o index.html  /c/www/build/www/en/gnome/index.xsl /c/www/build/www/en/gnome/news.xml
/usr/local/bin/tidy -i -m -raw -preserve -f /dev/null -asxml  index.html
===> gnome/docs
===> gnome/images
*** Error code 1 (ignored)
===> handbook
===> internal
/usr/bin/perl5 /c/www/build/www/en/internal/homepage.pl > homepage.inc
/usr/bin/sed -e 's/<!ENTITY date[ \t]*"$Free[B]SD. .* \(.* .*\) .* .* $">/<!ENTITY date	"Last modified: \1">/'  homepage.sgml |  /usr/bin/env SGML_CATALOG_FILES=  /usr/local/bin/sgmlnorm -d -ifreebsd.urls.absolute -c /usr/local/share/sgml/html/catalog -D /c/www/build/www/en/internal > homepage.html ||  (/bin/rm -f homepage.html && false)
/usr/local/bin/tidy -i -m -raw -preserve -f /dev/null -asxml  homepage.html
*** Error code 1 (ignored)
===> java
===> java/dists
===> java/docs
===> java/links
===> kse
===> marketing
===> news
===> news/1993
===> news/1996
===> news/1997
===> news/1998
===> news/1999
===> news/2000
===> news/2001
===> news/2002
===> news/2003
===> news/status
===> platforms
===> platforms/amd64
/usr/bin/sed -e 's/<!ENTITY date[ \t]*"$Free[B]SD. .* \(.* .*\) .* .* $">/<!ENTITY date	"Last modified: \1">/'  motherboards.sgml |  /usr/bin/env SGML_CATALOG_FILES=  /usr/local/bin/sgmlnorm -d -ifreebsd.urls.absolute -c /usr/local/share/sgml/html/catalog -D /c/www/build/www/en/platforms/amd64 > motherboards.html ||  (/bin/rm -f motherboards.html && false)
/usr/local/bin/sgmlnorm:<OSFD>0:198:84:E: general entity "class" not defined and no default entity
*** Error code 1

Stop in /c/www/build/www/en/platforms/amd64.
*** Error code 1

Stop in /c/www/build/www/en/platforms.
*** Error code 1

Stop in /c/www/build/www/en.
        4.33 real         1.01 user         0.67 sys