INDEX build failed for 11.x

From: Ports Index build <indexbuild_at_FreeBSD.org>
Date: Sat, 07 Aug 2021 15:05:23 UTC
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.sysutils ---
--- describe.textproc ---
--- describe.ukrainian ---
--- describe.vietnamese ---
--- describe.www ---
make[5]: "/home/indexbuild/tindex/ports/www/grafana8/Makefile" line 60: Could not find Makefile.modules
make[5]: Fatal errors encountered -- cannot continue===> www/grafana8 failed
*** [describe.www] 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:
0mp@FreeBSD.org gerald@FreeBSD.org jbeich@FreeBSD.org jrm@FreeBSD.org madpilot@FreeBSD.org novel@FreeBSD.org olgeni@FreeBSD.org riggs@FreeBSD.org tcberner@FreeBSD.org vanilla@FreeBSD.org 

Most recent Git update was:
audio/komposter/files/patch-acinclude.m4
audio/musicpd/Makefile
audio/musicpd/distinfo
devel/agar/files/patch-configure
multimedia/intel-media-sdk/Makefile
multimedia/intel-media-sdk/distinfo
multimedia/intel-media-sdk/pkg-descr
multimedia/libva-intel-media-driver/Makefile
multimedia/libva-intel-media-driver/distinfo
net-im/signal-cli/Makefile
net-im/signal-cli/distinfo
net-im/signal-cli/pkg-plist