INDEX build failed for 11.x

[Ports Index build]

INDEX build failed with errors:
Generating INDEX-11 - please wait..--- describe.accessibility ---
--- describe.arabic ---
--- describe.archivers ---
--- describe.astro ---
--- describe.audio ---
--- describe.benchmarks ---
--- describe.biology ---
--- describe.cad ---
--- describe.chinese ---
--- describe.comms ---
--- describe.converters ---
--- describe.databases ---
--- describe.deskutils ---
--- describe.devel ---
--- describe.dns ---
--- describe.editors ---
--- describe.emulators ---
--- describe.finance ---
--- describe.french ---
--- describe.ftp ---
[...]
--- describe.security ---
--- describe.shells ---
--- describe.sysutils ---
--- describe.textproc ---
--- describe.sysutils ---
sh: freebsd-version: not found
make[5]: "/home/indexbuild/tindex/ports/sysutils/etc_os-release/Makefile" line 18: warning: "freebsd-version -u" returned non-zero status
--- describe.ukrainian ---
--- describe.vietnamese ---
--- describe.www ---
--- describe.x11 ---
--- describe.x11-clocks ---
--- describe.x11-drivers ---
--- describe.x11-fm ---
--- describe.x11-fonts ---
--- describe.x11-servers ---
--- describe.x11-themes ---
--- describe.x11-toolkits ---
--- describe.x11-wm ---
 Done.
make_index: /home/indexbuild/tindex/ports/ports-mgmt/porttools: no entry for /home/indexbuild/tindex/ports/textproc/cdiff

Committers on the hook:
 joneum mat tobik 

Most recent SVN update was:
Updating '.':
D    devel/tokei/files
U    devel/tokei/Makefile
U    devel/tokei/distinfo
U    www/apache24/Makefile
A    www/apache24/files/patch-modules__filters__mod_reqtimeout.c-bug-63325
U    x11-themes/plata-theme/Makefile
U    x11-themes/plata-theme/distinfo
U    Mk/Uses/php.mk
U    MOVED
D    textproc/cdiff
U    textproc/Makefile
A    textproc/ydiff
A    textproc/ydiff/Makefile
A    textproc/ydiff/distinfo
A    textproc/ydiff/pkg-descr
U    dns/bind9-devel/Makefile
U    dns/bind9-devel/files/named.in
U    dns/bind914/Makefile
U    dns/bind914/files/named.in
U    sysutils/munin-node/Makefile
Updated to revision 503961.