error log

/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c: In function 'main':
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:15: error: variable 'signal' has initializer but incomplete type
   39 |  const struct gpio_dt_spec signal = GPIO_DT_SPEC_GET(ZEPHYR_USER_NODE, signal_gpios);
      |               ^~~~~~~~~~~~
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:37: warning: implicit declaration of function 'GPIO_DT_SPEC_GET' [-Wimplicit-function-declaration]
   39 |  const struct gpio_dt_spec signal = GPIO_DT_SPEC_GET(ZEPHYR_USER_NODE, signal_gpios);
      |                                     ^~~~~~~~~~~~~~~~
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:54: error: 'ZEPHYR_USER_NODE' undeclared (first use in this function)
   39 |  const struct gpio_dt_spec signal = GPIO_DT_SPEC_GET(ZEPHYR_USER_NODE, signal_gpios);
      |                                                      ^~~~~~~~~~~~~~~~
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:54: note: each undeclared identifier is reported only once for each function it appears in
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:72: error: 'signal_gpios' undeclared (first use in this function)
   39 |  const struct gpio_dt_spec signal = GPIO_DT_SPEC_GET(ZEPHYR_USER_NODE, signal_gpios);
      |                                                                        ^~~~~~~~~~~~
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:28: error: storage size of 'signal' isn't known
   39 |  const struct gpio_dt_spec signal = GPIO_DT_SPEC_GET(ZEPHYR_USER_NODE, signal_gpios);
      |                            ^~~~~~
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:42:2: warning: implicit declaration of function 'gpio_pin_configure_dt'; did you mean 'gpio_pin_configure'? [-Wimplicit-function-declaration]
   42 |  gpio_pin_configure_dt(&signal, GPIO_OUTPUT_ACTIVE);
      |  ^~~~~~~~~~~~~~~~~~~~~
      |  gpio_pin_configure
/home/octobotics/uros_ws/firmware/zephyr_apps/apps/motor_control/src/main.c:39:28: warning: unused variable 'signal' [-Wunused-variable]
   39 |  const struct gpio_dt_spec signal = GPIO_DT_SPEC_GET(ZEPHYR_USER_NODE, signal_gpios);
      |                            ^~~~~~
make[2]: *** [CMakeFiles/app.dir/build.make:63: CMakeFiles/app.dir/src/main.c.obj] Error 1
make[1]: *** [CMakeFiles/Makefile2:2038: CMakeFiles/app.dir/all] Error 2
make: *** [Makefile:84: all] Error 2
FATAL ERROR: command exited with status 2: /usr/bin/cmake --build /home/octobotics/uros_ws/firmware/build