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

[www-data at freebsd.org]

/usr/local/www/build/main/en_US.ISO8859-1/books/handbook/zfs/chapter.xml:4424: parser error : Opening and ending tag mismatch: sect2 line 2863 and chapter
</chapter>
          ^
/usr/local/www/build/main/en_US.ISO8859-1/books/handbook/zfs/chapter.xml:4425: parser error : Premature end of data in tag sect1 line 1625
^
/usr/local/www/build/main/en_US.ISO8859-1/books/handbook/zfs/chapter.xml:4425: parser error : Premature end of data in tag chapter line 7
^
/usr/local/www/build/main/en_US.ISO8859-1/books/handbook/zfs/chapter.xml:4425: parser error : chunk is not well balanced
^
/usr/local/www/build/main/en_US.ISO8859-1/books/handbook/book.xml:254: parser error : Failure to process entity chap.zfs
    &chap.zfs;
              ^
/usr/local/www/build/main/en_US.ISO8859-1/books/handbook/book.xml:254: parser error : Entity 'chap.zfs' not defined
    &chap.zfs;
              ^
*** [book.parsed.xml] Error code 1

make[4]: stopped in /usr/local/www/build/main/en_US.ISO8859-1/books/handbook
1 error

make[4]: stopped in /usr/local/www/build/main/en_US.ISO8859-1/books/handbook
*** [all_subdir_doc/books/handbook] Error code 2

make[3]: stopped in /usr/local/www/build/main/en_US.ISO8859-1/books
1 error

make[3]: stopped in /usr/local/www/build/main/en_US.ISO8859-1/books
*** [all_subdir_doc/books] Error code 2

make[2]: stopped in /usr/local/www/build/main/en_US.ISO8859-1
1 error

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

make[1]: stopped in /usr/local/www/build/main/en_US.ISO8859-1/htdocs/doc
1 error

make[1]: stopped in /usr/local/www/build/main/en_US.ISO8859-1/htdocs/doc
*** [all] Error code 2

make: stopped in /usr/local/www/build/main/en_US.ISO8859-1/htdocs
1 error

make: stopped in /usr/local/www/build/main/en_US.ISO8859-1/htdocs
       50.61 real        15.52 user         6.81 sys
 
latestrevision.timestamp "2020-12-30 18:47:57 +0000"  
latestrevision.committer "Allan Jude"  
latestrevision.number "b5882a38ef"