FreeBSD web build failed on freefall.freebsd.org

[WWW pseudo-user]

===> handbook
===> internal
/usr/bin/perl5 /c/www/build/www/en/internal/homepage.pl > homepage.inc
/usr/bin/sed -e 's/<!ENTITY date[ \t]*"$Free[B]SD. .* \(.* .*\) .* .* $">/<!ENTITY date	"Last modified: \1">/'  homepage.sgml |  /usr/bin/env SGML_CATALOG_FILES=  /usr/local/bin/sgmlnorm -d  -c /usr/local/share/sgml/html/catalog -D /c/www/build/www/en/internal > homepage.html ||  (/bin/rm -f homepage.html && false)
/usr/local/bin/tidy -i -m -raw -preserve -f /dev/null -asxml  homepage.html
*** Error code 1 (ignored)
===> java
===> java/dists
===> java/docs
===> java/links
===> java/dists
===> java/docs
===> java/links
===> copyright
===> search
===> gallery
===> projects
===> projects/busdma
===> projects/c99
===> projects/mips
===> projects/busdma
===> projects/c99
===> projects/mips
===> prstats
===> prstats/../../tools/prstats
./go.tcl /c/gnats
unable to convert date-time string "Ons 4 Jun 2003 07:10:32 CDT"
    while executing
"clock scan [lrange $a 1 end"
    (procedure "PR" line 9)
    invoked from within
"PR $pr"
    ("foreach" body line 2)
    invoked from within
"foreach pr [glob $gnatsdir] {
	PR $pr
}
"
    (file "./go.tcl" line 45)
*** Error code 1

Stop in /c/www/build/www/tools/prstats.
*** Error code 1

Stop in /c/www/build/www/en/prstats.
*** Error code 1 (ignored)
*** Error code 1

Stop in /c/www/build/www/en.
      120.03 real        70.36 user         1.64 sys