[954/954] including vendor/widevine/Android.mk ...
device/khadas/kvim/Kernel.mk:167: warning: overriding commands for target `out/target/product/kvim/obj/lib_vendor/mali.ko'
vendor/amlogic/common//gpu/gpu-v2.mk:23: warning: ignoring old commands for target `out/target/product/kvim/obj/lib_vendor/mali.ko'
build/make/core/base_rules.mk:412: warning: overriding commands for target `out/target/product/kvim/system/usr/icu/icudt60l.dat'
build/make/core/base_rules.mk:412: warning: ignoring old commands for target `out/target/product/kvim/system/usr/icu/icudt60l.dat'
build/make/core/base_rules.mk:412: warning: overriding commands for target `out/host/linux-x86/usr/icu/icudt60l.dat'
build/make/core/base_rules.mk:412: warning: ignoring old commands for target `out/host/linux-x86/usr/icu/icudt60l.dat'
build/make/core/Makefile:28: warning: overriding commands for target `out/target/product/kvim/obj/lib_vendor/ddr_window_64.ko'
device/khadas/kvim/Kernel.mk:167: warning: ignoring old commands for target `out/target/product/kvim/obj/lib_vendor/ddr_window_64.ko'
build/make/core/Makefile:28: warning: overriding commands for target `out/target/product/kvim/vendor/etc/init/android.hardware.wifi@1.0-service.rc'
build/make/core/base_rules.mk:426: warning: ignoring old commands for target `out/target/product/kvim/vendor/etc/init/android.hardware.wifi@1.0-service.rc'
[ 0% 1/71259] Lex: dtc <= external/dtc/dtc-lexer.l
FAILED: out/host/linux-x86/obj/EXECUTABLES/dtc_intermediates/dtc-lexer.c
/bin/bash -c "prebuilts/misc/linux-x86/flex/flex-2.5.39 -oout/host/linux-x86/obj/EXECUTABLES/dtc_intermediates/dtc-lexer.c external/dtc/dtc-lexer.l"
flex-2.5.39: loadlocale.c:130: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed.
Aborted (core dumped)
[ 0% 4/71259] target thumb C++: adbd <= system/core/adb/file_sync_service.cpp
ninja: build stopped: subcommand failed.
21:17:19 ninja failed with: exit status 1
#### failed to build some targets (42 seconds) ####
how to fix this error？
I`m using ubunut22.04 and python3.9 ,and tried
export LC_ALL=C
export LANG=C
but still failed