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

[User Www-data]

/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2139: element sect2: validity error : ID pgpkey-bryanv already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2144: element sect2: validity error : ID pgpkey-nectar already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2149: element sect2: validity error : ID pgpkey-avilla already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2154: element sect2: validity error : ID pgpkey-nivit already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2159: element sect2: validity error : ID pgpkey-ivoras already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2164: element sect2: validity error : ID pgpkey-stefan already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2169: element sect2: validity error : ID pgpkey-kaiw already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2174: element sect2: validity error : ID pgpkey-adamw already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2179: element sect2: validity error : ID pgpkey-peter already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2184: element sect2: validity error : ID pgpkey-nwhitehorn already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2189: element sect2: validity error : ID pgpkey-miwi already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2194: element sect2: validity error : ID pgpkey-nate already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2199: element sect2: validity error : ID pgpkey-swills already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2204: element sect2: validity error : ID pgpkey-twinterg already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2209: element sect2: validity error : ID pgpkey-wollman already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2214: element sect2: validity error : ID pgpkey-joerg already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2219: element sect2: validity error : ID pgpkey-davidxu already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2224: element sect2: validity error : ID pgpkey-emax already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2229: element sect2: validity error : ID pgpkey-oshogbo already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2234: element sect2: validity error : ID pgpkey-riggs already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2239: element sect2: validity error : ID pgpkey-bz already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2244: element sect2: validity error : ID pgpkey-zeising already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2249: element sect2: validity error : ID pgpkey-phantom already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2254: element sect2: validity error : ID pgpkey-sephe already defined
/usr/local/www/build/head/de_DE.ISO8859-1/books/handbook/book.xml:2259: element sect2: validity error : ID pgpkey-zont already defined
*** Error code 1

Stop.
make[5]: stopped in /usr/local/www/build/head/de_DE.ISO8859-1/books/handbook
*** Error code 1

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

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

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

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

Stop.
make: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs
       28.03 real        16.45 user        10.75 sys