Exemple dwm-uart (on-board-package)

Hey, iḿ trying to build the exemple dwm-uart in the SEGGER Embedded Studio, but all the mensage that i´m receiving is:

Building ‘dwm-uart’ from solution ‘dwm-uart’ in configuration ‘dwm1001_configuration’
output/compiler/dwm-uart.o does not exist.
Compiling ‘dwm-uart.c’
/usr/gcc-arm-none-eabi-8-2018-q4-major/bin/arm-none-eabi-gcc -c dwm-uart.c -I. -I…\nordicsemi\components\drivers_nrf\uart -I…\nordicsemi\components\drivers_nrf\hal -I…\nordicsemi\components\device -I…\nordicsemi\components\toolchain\cmsis\include -I…\nordicsemi\components\toolchain -I…\nordicsemi\components\libraries\util -I…\nordicsemi\components\drivers_nrf\nrf_soc_nosd -I…\nordicsemi\components\drivers_nrf\common -I./…/…/include -I./…/…/lib -I. -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wall -Wall -Wpointer-arith -Wstrict-prototypes -Wundef -Wno-write-strings -mthumb -O0 -g -fno-exceptions -Wno-pointer-arith -DNRF52 -DNRF52832 -D__LINT__=0 -o output/compiler/dwm-uart.o
nrf_drv_uart.h: No such file or directory

output/compiler/nrf_drv_uart.o does not exist.
Compiling ‘nrf_drv_uart.c’
/usr/gcc-arm-none-eabi-8-2018-q4-major/bin/arm-none-eabi-gcc -c …/…/nordicsemi/components/drivers_nrf/uart/nrf_drv_uart.c -I. -I…\nordicsemi\components\drivers_nrf\uart -I…\nordicsemi\components\drivers_nrf\hal -I…\nordicsemi\components\device -I…\nordicsemi\components\toolchain\cmsis\include -I…\nordicsemi\components\toolchain -I…\nordicsemi\components\libraries\util -I…\nordicsemi\components\drivers_nrf\nrf_soc_nosd -I…\nordicsemi\components\drivers_nrf\common -I./…/…/include -I./…/…/lib -I. -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections -Wall -Wall -Wpointer-arith -Wstrict-prototypes -Wundef -Wno-write-strings -mthumb -O0 -g -fno-exceptions -Wno-pointer-arith -DNRF52 -DNRF52832 -D__LINT__=0 -o output/compiler/nrf_drv_uart.o
nrf_drv_uart.c
nrf_uart.h: No such file or directory
Build failed

This files (nrf_drv_uart.h, nrf_uart.h) are in /nordicsemi/components/drivers_nrf/uart/ but itś not recognizing… Any one knows what to do?
(Im using Ubunto)