Non-english language breaks building bundles

[iavael]

Running mixer with russian language breaks the build

# LANGUAGE=ru mixer -c /var/www/mixer/hpe-mserv/builder.conf build bundles
=> BUILD BUNDLES
Warning: Wiping away existing image directory for mix version 10...
Building bundles for mix version 10 based on Clear Linux version 40010
Preparing new image directory for mix version 10: /var/www/mixer/hpe-mserv/update/image/10
Using DNF command prefix: dnf --config=/var/www/mixer/hpe-mserv/.yum-mix.conf -y --releasever=40010
Cleaning DNF cache
Resolving packages using 4 workers
Resolving packages for libstdcpp
Resolving packages for hpe-mserv
Resolving packages for os-core
Error: Операция прервана.
: exit status 1
Error: Операция прервана.
: exit status 1
Error: Операция прервана.
: exit status 1
TIMINGS
  BUILD BUNDLES 0s
TOTAL: 0s
Error: Error building bundles: os-core: dnf error occurred

Running with english language ends fine

# LANGUAGE=en mixer -c /var/www/mixer/hpe-mserv/builder.conf build bundles
=> BUILD BUNDLES
Warning: Wiping away existing image directory for mix version 10...
Building bundles for mix version 10 based on Clear Linux version 40010
Preparing new image directory for mix version 10: /var/www/mixer/hpe-mserv/update/image/10
Using DNF command prefix: dnf --config=/var/www/mixer/hpe-mserv/.yum-mix.conf -y --releasever=40010
Cleaning DNF cache
Resolving packages using 4 workers
Resolving packages for hpe-mserv
Resolving packages for os-core
Resolving packages for libstdcpp
Resolving files for libstdcpp
Resolving files for os-core
Resolving files for hpe-mserv
Available repos: 
clear   99      https://cdn.download.clearlinux.org/releases/$releasever/clear/x86_64/os/
local   1       file:///var/www/mixer/hpe-mserv/local-yum
Installing all bundles to full chroot...
1/3 hpe-mserv
2/3 libstdcpp
3/3 os-core
Building special os-core content
Updating os-release file
Adding swupd default values to os-core bundle
TIMINGS
  BUILD BUNDLES 58.635s
TOTAL: 58.635s