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

[User Www-data]

*** Error code 1

Stop.
make[2]: stopped in /usr/local/www/build/head/zh_CN.UTF-8/books
*** Error code 1

Stop.
make[1]: stopped in /usr/local/www/build/head/zh_CN.UTF-8
/usr/local/www/build/head/share/pgpkeys/pgpkeys-core.xml:34: parser error : Entity 'pgpkey.jeff' not defined
      &pgpkey.jeff;
                   ^
/usr/local/www/build/head/share/pgpkeys/pgpkeys-core.xml:51: parser error : chunk is not well balanced

^
/usr/local/www/build/head/ru_RU.KOI8-R/books/handbook/pgpkeys/chapter.xml:37: parser error : Failure to process entity section.pgpkeys-core
    &section.pgpkeys-core;
                          ^
/usr/local/www/build/head/ru_RU.KOI8-R/books/handbook/pgpkeys/chapter.xml:37: parser error : Entity 'section.pgpkeys-core' not defined
    &section.pgpkeys-core;
                          ^
/usr/local/www/build/head/ru_RU.KOI8-R/books/handbook/pgpkeys/chapter.xml:46: parser error : chunk is not well balanced

^
/usr/local/www/build/head/ru_RU.KOI8-R/books/handbook/book.xml:301: parser error : Failure to process entity chap.pgpkeys
    &chap.pgpkeys;
                  ^
/usr/local/www/build/head/ru_RU.KOI8-R/books/handbook/book.xml:301: parser error : Entity 'chap.pgpkeys' not defined
    &chap.pgpkeys;
                  ^
*** Error code 1

Stop.
make[3]: stopped in /usr/local/www/build/head/ru_RU.KOI8-R/books/handbook
*** Error code 1

Stop.
make[2]: stopped in /usr/local/www/build/head/ru_RU.KOI8-R/books
*** Error code 1

Stop.
make[1]: stopped in /usr/local/www/build/head/ru_RU.KOI8-R
*** Error code 1

Stop.
make: stopped in /usr/local/www/build/head
        3.70 real        12.14 user        10.08 sys

latestrevision.timestamp "2018-07-04 12:50:26" 
latestrevision.committer "jrm"		
latestrevision.number "51957"