INDEX build failed for 11.x

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.mail ---
--- describe.math ---
--- describe.misc ---
--- describe.multimedia ---
--- describe.devel ---
make[5]: "/home/indexbuild/tindex/ports/devel/riscv64-xtoolchain-gcc/Makefile" line 6: Cannot open /home/indexbuild/tindex/ports/devel/riscv64-xtoolchain-gcc/../powerpc64-xtoolchain-gcc/Makefile
make[5]: Fatal errors encountered -- cannot continue===> devel/riscv64-xtoolchain-gcc failed
*** [describe.devel] Error code 1

make[2]: stopped in /home/indexbuild/tindex/ports

make[2]: stopped in /home/indexbuild/tindex/ports
*** Error code 1

Stop.
make[1]: stopped in /home/indexbuild/tindex/ports
*** Error code 1

Stop.
make: stopped in /home/indexbuild/tindex/ports
1 error

Committers on the hook:
girgen@FreeBSD.org jbeich@FreeBSD.org jhb@FreeBSD.org rhurlin@FreeBSD.org thierry@FreeBSD.org yuri@FreeBSD.org 

Most recent Git update was:
MOVED
audio/boops-lv2/Makefile
audio/boops-lv2/distinfo
audio/gsequencer/Makefile
audio/gsequencer/distinfo
audio/gsequencer/pkg-plist
audio/yoshimi/Makefile
audio/yoshimi/distinfo
cad/netgen-lvs/Makefile
cad/netgen-lvs/distinfo
cad/verilator/Makefile
cad/verilator/distinfo
cad/verilator/pkg-plist
devel/Makefile
devel/aarch64-gcc/Makefile
devel/aarch64-gcc/pkg-plist
devel/aarch64-xtoolchain-gcc/Makefile
devel/amd64-gcc/Makefile
devel/amd64-gcc/pkg-plist
devel/amd64-xtoolchain-gcc/Makefile
devel/cargo-c/Makefile
devel/cargo-c/distinfo
devel/i386-gcc/Makefile
devel/i386-gcc/pkg-plist
devel/i386-xtoolchain-gcc/Makefile
devel/mips-gcc/Makefile
devel/mips-gcc/pkg-plist
devel/mips-xtoolchain-gcc/Makefile
devel/mips64-gcc/Makefile
devel/mips64-gcc/pkg-plist
devel/mips64-xtoolchain-gcc/Makefile
devel/powerpc64-gcc/Makefile
devel/powerpc64-gcc/distinfo
devel/powerpc64-gcc/files/patch-clang-vec_step
devel/powerpc64-gcc/files/patch-freebsd-format-extensions
devel/powerpc64-gcc/files/patch-freebsd-libdir
devel/powerpc64-gcc/files/patch-gcc-freebsd-mips
devel/powerpc64-gcc/files/patch-gcc_config_i386_i386.c
devel/powerpc64-gcc/files/patch-libcpp_lex.c
devel/powerpc64-gcc/pkg-descr
devel/powerpc64-gcc/pkg-plist
devel/powerpc64-xtoolchain-gcc/Makefile
devel/powerpc64-xtoolchain-gcc/files/xtoolchain.mk.in
devel/powerpc64-xtoolchain-gcc/pkg-descr
devel/py-dill/Makefile
devel/py-dill/distinfo
devel/py-python-gist/Makefile
devel/py-python-gist/distinfo
devel/sparc64-gcc/Makefile
devel/sparc64-gcc/pkg-plist
devel/sparc64-xtoolchain-gcc/Makefile
graphics/ImageMagick6/Makefile
graphics/ImageMagick7/Makefile
math/mathmod/Makefile
math/mathmod/distinfo
math/mathmod/files/patch-ui__forms_about.ui
math/py-ducc0/Makefile
math/py-ducc0/distinfo
misc/lf/Makefile
misc/lf/distinfo
net-mgmt/telegraf/Makefile
net-mgmt/telegraf/distinfo
science/code_saturne/Makefile
science/code_saturne/distinfo
science/code_saturne/pkg-plist
science/py-nilearn/Makefile
science/py-nilearn/distinfo
x11/kitty/Makefile
x11/kitty/distinfo