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the issue of compiling CHIP nRF52840 Lighting Example Application

hello Support team,

When customer to compile Nordic CHIP demo code(connectedhomeip\examples\lighting-app\nrfconnect. compiling error  was attached.

tje

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build@7766665acb29:/var/chip/examples/lighting-app/nrfconnect$ west build -b nrf52840dk_nrf52840
-- west build: generating a build system
Including boilerplate (Zephyr base): /var/ncs/zephyr/cmake/app/boilerplate.cmake
-- Application: /var/chip/examples/lighting-app/nrfconnect
-- Zephyr version: 2.4.0 (/var/ncs/zephyr)
-- Found Python3: /usr/bin/python3.8 (found suitable exact version "3.8.5") found components: Interpreter
-- Found west (found suitable version "0.8.0", minimum required is "0.7.1")
-- Board: nrf52840dk_nrf52840
-- Cache files will be written to: /var/ncs/zephyr/.cache
-- Found dtc: /usr/bin/dtc (found suitable version "1.4.7", minimum required is "1.4.6")
-- Found toolchain: gnuarmemb (/opt/gcc-arm-none-eabi-9-2020-q2-update)
-- Found BOARD.dts: /var/ncs/zephyr/boards/arm/nrf52840dk_nrf52840/nrf52840dk_nrf52840.dts
-- Found devicetree overlay: /var/chip/examples/lighting-app/nrfconnect/dts.overlay
-- Generated zephyr.dts: /var/chip/examples/lighting-app/nrfconnect/build/zephyr/zephyr.dts
-- Generated devicetree_unfixed.h: /var/chip/examples/lighting-app/nrfconnect/build/zephyr/include/generated/devicetree_unfixed.h
warning: LOG_STRDUP_MAX_STRING (defined at subsys/logging/Kconfig:238) was assigned the value '256'
but got the value ''. Check these unsatisfied dependencies: (!LOG_MINIMAL) (=n). See
http://docs.zephyrproject.org/latest/reference/kconfig/CONFIG_LOG_STRDUP_MAX_STRING.html and/or look
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the code is from 

https://github.com/project-chip/connectedhomeip/tree/master/examples/lighting-app/nrfconnect

Best Regards,

George XIONG