FreeBSD web build failed on www.freebsd.org

[World Wide Web Owner]

cd /w/www/build/www/ru/ports;  make  -f /w/www/build/www/ru/ports/Makefile.inc0 all
===> ../ru/relnotes
===> relnotes/CURRENT/relnotes
===> relnotes/CURRENT/relnotes/alpha
===> relnotes/CURRENT/relnotes/amd64
===> relnotes/CURRENT/relnotes/ia64
===> relnotes/CURRENT/relnotes/i386
===> relnotes/CURRENT/relnotes/pc98
===> relnotes/CURRENT/relnotes/sparc64
===> relnotes/CURRENT/hardware
===> relnotes/CURRENT/hardware/alpha
===> relnotes/CURRENT/hardware/amd64
===> relnotes/CURRENT/hardware/ia64
===> relnotes/CURRENT/hardware/i386
===> relnotes/CURRENT/hardware/pc98
===> relnotes/CURRENT/hardware/sparc64
===> relnotes/CURRENT/readme
===> relnotes/CURRENT/errata
===> relnotes/CURRENT/installation
===> relnotes/CURRENT/installation/alpha
===> relnotes/CURRENT/installation/amd64
===> relnotes/CURRENT/installation/ia64
===> relnotes/CURRENT/installation/i386
===> relnotes/CURRENT/installation/pc98
===> relnotes/CURRENT/installation/sparc64
===> relnotes/5-STABLE/relnotes
===> relnotes/5-STABLE/relnotes/alpha
No index to generate.
/usr/bin/env SP_ENCODING=KOI8-R /usr/local/bin/jade -V nochunks -ioutput.html -d /w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha/../../../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 /usr/obj/w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha -c /w/www/build/doc/ru_RU.KOI8-R/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/docbook/catalog -c /usr/local/share/sgml/jade/catalog -c /w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha/../../../ru_RU.KOI8-R/share/sgml/catalog -c /w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha/../../../share/sgml/catalog -c /usr/local/share/sgml/catalog.ports -t sgml /w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha/article.sgml > article.html ||  (/bin/rm -f 
 article.html && false)
/usr/local/bin/jade:/w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha/../common/../common/new.sgml:102:5:E: general entity "release.prev.historic" not defined and no default entity
*** Error code 1

Stop in /w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes/alpha.
*** Error code 1

Stop in /w/www/build/relnotes5/doc/ru_RU.KOI8-R/relnotes.
*** Error code 1

Stop in /w/www/build/relnotes5/doc/ru_RU.KOI8-R.
*** Error code 1

Stop in /w/www/build/www/ru/relnotes.
*** Error code 1 (ignored)
*** Error code 1

Stop in /w/www/build/www/ru.
*** Error code 1

Stop in /w/www/build/www/en.
     1594.68 real      1065.99 user       217.58 sys