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

[User Www-data]

Warning: Object directory not changed from original /usr/local/www/build/head/en_US.ISO8859-1/articles/new-users
===> doc/articles/p4-primer (all)
Warning: Object directory not changed from original /usr/local/www/build/head/en_US.ISO8859-1/articles/p4-primer
===> doc/articles/pam (all)
Warning: Object directory not changed from original /usr/local/www/build/head/en_US.ISO8859-1/articles/pam
===> doc/articles/pgpkeys (all)
env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xmllint --nonet --noent --valid --dropdtd --xinclude /usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys/article.xml > article.parsed.xml.tmp
/usr/local/www/build/head/share/pgpkeys/joneum.key:6: parser error : Input is not proper UTF-8, indicate encoding !
Bytes: 0xE4 0x6C 0x6C 0x74
pub   rsa2048/9311C2CFE5669C5C 2017-05-15 [SC] [verfällt: 2020-05-14]
                                                    ^
/usr/local/www/build/head/share/pgpkeys/joneum.key:44: parser error : chunk is not well balanced

^
/usr/local/www/build/head/share/pgpkeys/pgpkeys-developers.xml:1636: parser error : Failure to process entity pgpkey.joneum
      &pgpkey.joneum;
                     ^
/usr/local/www/build/head/share/pgpkeys/pgpkeys-developers.xml:1636: parser error : Entity 'pgpkey.joneum' not defined
      &pgpkey.joneum;
                     ^
/usr/local/www/build/head/share/pgpkeys/pgpkeys-developers.xml:2518: parser error : chunk is not well balanced

^
/usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys/article.xml:53: parser error : Failure to process entity section.pgpkeys-developers
    &section.pgpkeys-developers;
                                ^
/usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys/article.xml:53: parser error : Entity 'section.pgpkeys-developers' not defined
    &section.pgpkeys-developers;
                                ^
*** Error code 1

Stop.
make[4]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys
*** Error code 1

Stop.
make[3]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/articles
*** Error code 1

Stop.
make[2]: stopped in /usr/local/www/build/head/en_US.ISO8859-1
*** Error code 1

Stop.
make[1]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs/doc
*** Error code 1

Stop.
make: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs
        4.94 real         2.10 user         3.12 sys