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

[User Www-data]

Dec 25 00:54:02 build-web newsyslog[18138]: logfile turned over due to -F request
Build started Sun Dec 25 01:04:00 UTC 2016
Updating 'head':
At revision 49759.
Updating 'relnotes/doc':
At revision 310531.
Updating 'relnotes/man4':
At revision 310531.
Updating 'relnotes11/doc':
At revision 310531.
Updating 'relnotes11/man4':
At revision 310531.
Updating 'relnotes10/doc':
At revision 310531.
Updating 'relnotes10/man4':
At revision 310531.
Updating 'relnotes9/doc':
At revision 310531.
Updating 'relnotes9/man4':
At revision 310531.
Updating 'ports':
At revision 429388.
env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/htdocs/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/xsltproc  --xinclude --nonet --maxvars 20000  -o community.html --param usergroups.xml "'/usr/local/www/build/head/share/xml/usergroups.xml'"  --param usergroups-local.xml "'/usr/local/www/build/head/share/xml/usergroups.xml'" --param events.xml-master "'/usr/local/www/build/head/share/xml/events.xml'"  --param events.xml "'/usr/local/www/build/head/share/xml/events.xml'"  community.xsl /usr/local/www/build/head/share/xml/events.xml
file:///usr/local/www/build/head/share/xml/events2017.xml:50: parser error : Opening and ending tag mismatch: day line 50 and month
      <day>07</month>
                     ^
/usr/local/www/build/head/share/xml/events.xml:17: element include: XInclude error : could not load http://www.FreeBSD.org/XML/share/xml/events2017.xml, and no fallback was found
*** Error code 6

Stop.
make: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs
        0.17 real         0.11 user         0.06 sys