In file included from ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/drivers/include/nrfx_power.h:45:0, from ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/integration/nrfx/legacy/nrf_drv_power.h:44, from ../../drivers/usb_print.c:10: ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h: In function 'nrf_power_dcdcen_vddh_set': ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:998:14: error: 'NRF_POWER_Type {aka struct }' has no member named 'DCDCEN0'; did you mean 'DCDCEN'? NRF_POWER->DCDCEN0 = (enable ? ^~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:999:9: error: 'POWER_DCDCEN0_DCDCEN_Enabled' undeclared (first use in this function) POWER_DCDCEN0_DCDCEN_Enabled : POWER_DCDCEN0_DCDCEN_Disabled) << ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:999:9: note: each undeclared identifier is reported only once for each function it appears in ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:999:40: error: 'POWER_DCDCEN0_DCDCEN_Disabled' undeclared (first use in this function) POWER_DCDCEN0_DCDCEN_Enabled : POWER_DCDCEN0_DCDCEN_Disabled) << ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:1000:13: error: 'POWER_DCDCEN0_DCDCEN_Pos' undeclared (first use in this function) POWER_DCDCEN0_DCDCEN_Pos; ^~~~~~~~~~~~~~~~~~~~~~~~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h: In function 'nrf_power_dcdcen_vddh_get': ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:1005:22: error: 'NRF_POWER_Type {aka struct }' has no member named 'DCDCEN0'; did you mean 'DCDCEN'? return (NRF_POWER->DCDCEN0 & POWER_DCDCEN0_DCDCEN_Msk) ^~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:1005:34: error: 'POWER_DCDCEN0_DCDCEN_Msk' undeclared (first use in this function) return (NRF_POWER->DCDCEN0 & POWER_DCDCEN0_DCDCEN_Msk) ^~~~~~~~~~~~~~~~~~~~~~~~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:1007:13: error: 'POWER_DCDCEN0_DCDCEN_Enabled' undeclared (first use in this function) (POWER_DCDCEN0_DCDCEN_Enabled << POWER_DCDCEN0_DCDCEN_Pos); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/modules/nrfx/hal/nrf_power.h:1007:45: error: 'POWER_DCDCEN0_DCDCEN_Pos' undeclared (first use in this function) (POWER_DCDCEN0_DCDCEN_Enabled << POWER_DCDCEN0_DCDCEN_Pos); ^~~~~~~~~~~~~~~~~~~~~~~~ ../../drivers/usb_print.c: In function 'usb_print_loop': ../../drivers/usb_print.c:229:12: error: implicit declaration of function 'app_usbd_event_queue_process' [-Werror=implicit-function-declaration] while (app_usbd_event_queue_process()) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1.exe: all warnings being treated as errors make: *** [../../nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac_min/components/toolchain/gcc/Makefile.common:272: _build/nrf52833_xxaa/usb_print.c.o] Error 1