trying to build matter sample example light_bulb but getting error :
nRF connect sdk v2.9.0 & tool chain v2.9.0 using
board nrf21540dk/nrf52840
following are the building logs
Executing task: nRF Connect: Build [pristine]: light_bulb_33/build (active) Building template west build --build-dir /home/nistantritech/light_bulb_33/build /home/nistantritech/light_bulb_33 --pristine --board nrf21540dk/nrf52840 -- -DNCS_TOOLCHAIN_VERSION=NONE -DCONF_FILE=/home/nistantritech/light_bulb_33/prj.conf -DEXTRA_CONF_FILE=boards/nrf21540dk_nrf52840.conf -DDTC_OVERLAY_FILE=boards/nrf21540dk_nrf52840.overlay -DSHIELD=nrf21540ek -DBOARD_ROOT=/home/nistantritech/light_bulb_33 -- west build: generating a build system Loading Zephyr module(s) (Zephyr base): sysbuild_default -- Found Python3: /home/nistantritech/ncs/toolchains/b77d8c1312/usr/local/bin/python3.12 (found suitable version "3.12.4", minimum required is "3.8") found components: Interpreter -- Cache files will be written to: /home/nistantritech/.cache/zephyr -- Found west (found suitable version "1.2.0", minimum required is "0.14.0") -- Board: nrf21540dk, qualifiers: nrf52840 -- Shield(s): nrf21540ek Parsing /home/nistantritech/light_bulb_33/Kconfig.sysbuild Loaded configuration '/home/nistantritech/light_bulb_33/build/_sysbuild/empty.conf' Merged configuration '/home/nistantritech/light_bulb_33/sysbuild.conf' Configuration saved to '/home/nistantritech/light_bulb_33/build/zephyr/.config' Kconfig header saved to '/home/nistantritech/light_bulb_33/build/_sysbuild/autoconf.h' -- *********************************** * Running CMake for light_bulb_33 * *********************************** Loading Zephyr default modules (Zephyr base). -- Application: /home/nistantritech/light_bulb_33 -- CMake version: 3.21.0 -- Found Python3: /home/nistantritech/ncs/toolchains/b77d8c1312/usr/local/bin/python (found suitable version "3.12.4", minimum required is "3.8") found components: Interpreter -- Cache files will be written to: /home/nistantritech/.cache/zephyr -- Zephyr version: 3.7.99 (/home/nistantritech/ncs/v2.9.0/zephyr) -- Found west (found suitable version "1.2.0", minimum required is "0.14.0") -- Board: nrf21540dk, qualifiers: nrf52840 -- Shield(s): nrf21540ek -- Found host-tools: zephyr 0.17.0 (/home/nistantritech/ncs/toolchains/b77d8c1312/opt/zephyr-sdk) -- Found toolchain: zephyr 0.17.0 (/home/nistantritech/ncs/toolchains/b77d8c1312/opt/zephyr-sdk) -- Found Dtc: /home/nistantritech/ncs/toolchains/b77d8c1312/usr/bin/dtc (found suitable version "1.5.0", minimum required is "1.4.6") -- Found BOARD.dts: /home/nistantritech/ncs/v2.9.0/zephyr/boards/nordic/nrf21540dk/nrf21540dk_nrf52840.dts -- Found devicetree overlay: /home/nistantritech/ncs/v2.9.0/nrf/boards/shields/nrf21540ek/nrf21540ek.overlay -- Found devicetree overlay: boards/nrf21540dk_nrf52840.overlay -- Generated zephyr.dts: /home/nistantritech/light_bulb_33/build/light_bulb_33/zephyr/zephyr.dts -- Generated devicetree_generated.h: /home/nistantritech/light_bulb_33/build/light_bulb_33/zephyr/include/generated/zephyr/devicetree_generated.h -- Including generated dts.cmake file: /home/nistantritech/light_bulb_33/build/light_bulb_33/zephyr/dts.cmake Parsing /home/nistantritech/light_bulb_33/Kconfig Loaded configuration '/home/nistantritech/ncs/v2.9.0/zephyr/boards/nordic/nrf21540dk/nrf21540dk_nrf52840_defconfig' Merged configuration '/home/nistantritech/light_bulb_33/prj.conf' Merged configuration '/home/nistantritech/light_bulb_33/boards/nrf21540dk_nrf52840.conf' Merged configuration '/home/nistantritech/light_bulb_33/build/light_bulb_33/zephyr/.config.sysbuild' error: MCUBOOT (defined at /home/nistantritech/ncs/v2.9.0/nrf/drivers/hw_cc3xx/Kconfig:10, modules/Kconfig.mcuboot:8) is assigned in a configuration file, but is not directly user- configurable (has no prompt). It gets its value indirectly from other symbols. See http://docs.zephyrproject.org/latest/kconfig.html#CONFIG_MCUBOOT and/or look up MCUBOOT in the menuconfig/guiconfig interface. The Application Development Primer, Setting Configuration Values, and Kconfig - Tips and Best Practices sections of the manual might be helpful too. CMake Error at /home/nistantritech/ncs/v2.9.0/zephyr/cmake/modules/kconfig.cmake:396 (message): command failed with return code: 1 Call Stack (most recent call first): /home/nistantritech/ncs/v2.9.0/nrf/cmake/modules/kconfig.cmake:29 (include) /home/nistantritech/ncs/v2.9.0/zephyr/cmake/modules/zephyr_default.cmake:133 (include) /home/nistantritech/ncs/v2.9.0/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:66 (include) /home/nistantritech/ncs/v2.9.0/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:92 (include_boilerplate) CMakeLists.txt:9 (find_package) -- Configuring incomplete, errors occurred! CMake Error at cmake/modules/sysbuild_extensions.cmake:514 (message): CMake configure failed for Zephyr project: light_bulb_33 Location: /home/nistantritech/light_bulb_33 Call Stack (most recent call first): cmake/modules/sysbuild_images.cmake:20 (ExternalZephyrProject_Cmake) cmake/modules/sysbuild_default.cmake:20 (include) /home/nistantritech/ncs/v2.9.0/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:75 (include) /home/nistantritech/ncs/v2.9.0/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:92 (include_boilerplate) /home/nistantritech/ncs/v2.9.0/zephyr/share/sysbuild-package/cmake/SysbuildConfig.cmake:8 (include) template/CMakeLists.txt:10 (find_package) -- Configuring incomplete, errors occurred! See also "/home/nistantritech/light_bulb_33/build/CMakeFiles/CMakeOutput.log". FATAL ERROR: command exited with status 1: /home/nistantritech/ncs/toolchains/b77d8c1312/usr/local/bin/cmake -DWEST_PYTHON=/home/nistantritech/ncs/toolchains/b77d8c1312/usr/local/bin/python3.12 -B/home/nistantritech/light_bulb_33/build -GNinja -DBOARD=nrf21540dk/nrf52840 -DNCS_TOOLCHAIN_VERSION=NONE -DCONF_FILE=/home/nistantritech/light_bulb_33/prj.conf -DEXTRA_CONF_FILE=boards/nrf21540dk_nrf52840.conf -DDTC_OVERLAY_FILE=boards/nrf21540dk_nrf52840.overlay -DSHIELD=nrf21540ek -DBOARD_ROOT=/home/nistantritech/light_bulb_33 -S/home/nistantritech/ncs/v2.9.0/zephyr/share/sysbuild -DAPP_DIR:PATH=/home/nistantritech/light_bulb_33 * The terminal process terminated with exit code: 1. * Terminal will be reused by tasks, press any key to close it.
prj.conf file with error
how i can solve this error so that i can build & flash code successfully ?
