Hi, the ncs_serial_modem sample won’t compile for me at all, and keeps failing. ChatGPT seems to think it’s a device tree error, but that seems unlikely seeing as it’s build for the board. Any advice?
FAILED: [code=1] modules/ncs-serial-modem.git/lib/sm_at_client/CMakeFiles/..__ncs-serial-modem.git__lib__sm_at_client.dir/sm_at_client.c.obj 
/Users/joe/.zephyrtools/toolchain/zephyr-sdk-0.16.4/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc -DKERNEL -DK_HEAP_MEM_POOL_SIZE=8192 -DNRF54L_CONFIGURATION_56_ENABLE=0 -DNRF9120_XXAA -DNRF_SKIP_FICR_NS_COPY_TO_RAM -DPICOLIBC_LONG_LONG_PRINTF_SCANF -DUSE_PARTITION_MANAGER=1 -D__LINUX_ERRNO_EXTENSIONS__ -D__PROGRAM_START -D__ZEPHYR__=1 -I/Users/joe/Documents/KuiperZephyr/build/sm_at_client_shell/zephyr/include/generated/zephyr -I/Users/joe/Documents/KuiperZephyr/zephyr/include -I/Users/joe/Documents/KuiperZephyr/build/sm_at_client_shell/zephyr/include/generated -I/Users/joe/Documents/KuiperZephyr/zephyr/soc/nordic -I/Users/joe/Documents/KuiperZephyr/zephyr/lib/posix/options/getopt -I/Users/joe/Documents/KuiperZephyr/zephyr/soc/nordic/nrf91/. -I/Users/joe/Documents/KuiperZephyr/zephyr/soc/nordic/common/. -I/Users/joe/Documents/KuiperZephyr/zephyr/subsys/shell/modules/kernel_service/thread/.. -I/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/include -I/Users/joe/Documents/KuiperZephyr/nrf/include -I/Users/joe/Documents/KuiperZephyr/nrf/tests/include -I/Users/joe/Documents/KuiperZephyr/nfed/include -I/Users/joe/Documents/KuiperZephyr/modules/hal/cmsis_6/CMSIS/Core/Include -I/Users/joe/Documents/KuiperZephyr/zephyr/modules/cmsis_6/. -I/Users/joe/Documents/KuiperZephyr/nrf/modules/hal_nordic/. -I/Users/joe/Documents/KuiperZephyr/modules/hal/nordic/nrfx -I/Users/joe/Documents/KuiperZephyr/modules/hal/nordic/nrfx/drivers/include -I/Users/joe/Documents/KuiperZephyr/modules/hal/nordic/nrfx/bsp/stable -I/Users/joe/Documents/KuiperZephyr/modules/hal/nordic/nrfx/bsp/stable/templates -I/Users/joe/Documents/KuiperZephyr/zephyr/modules/hal_nordic/nrfx/. -isystem /Users/joe/Documents/KuiperZephyr/zephyr/lib/libc/common/include -isystem /Users/joe/Documents/KuiperZephyr/nrfxlib/crypto/nrf_cc310_platform/include -fno-strict-aliasing -Os -imacros /Users/joe/Documents/KuiperZephyr/build/sm_at_client_shell/zephyr/include/generated/zephyr/autoconf.h -fno-printf-return-value -fno-common -g -gdwarf-4 -fdiagnostics-color=always -mcpu=cortex-m33 -mthumb -mabi=aapcs -mfp16-format=ieee -mtp=soft --sysroot=/Users/joe/.zephyrtools/toolchain/zephyr-sdk-0.16.4/arm-zephyr-eabi/arm-zephyr-eabi -imacros /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/toolchain/zephyr_stdint.h -Wall -Wformat -Wformat-security -Wno-format-zero-length -Wdouble-promotion -Wno-pointer-sign -Wpointer-arith -Wexpansion-to-defined -Wno-unused-but-set-variable -Werror=implicit-int -fno-pic -fno-pie -fno-asynchronous-unwind-tables -ftls-model=local-exec -fno-reorder-functions --param=min-pagesize=0 -fno-defer-pop -fmacro-prefix-map=/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/samples/sm_at_client_shell=CMAKE_SOURCE_DIR -fmacro-prefix-map=/Users/joe/Documents/KuiperZephyr/zephyr=ZEPHYR_BASE -fmacro-prefix-map=/Users/joe/Documents/KuiperZephyr=WEST_TOPDIR -ffunction-sections -fdata-sections -specs=picolibc.specs -D_POSIX_THREADS -std=c99 -MD -MT modules/ncs-serial-modem.git/lib/sm_at_client/CMakeFiles/..__ncs-serial-modem.git__lib__sm_at_client.dir/sm_at_client.c.obj -MF modules/ncs-serial-modem.git/lib/sm_at_client/CMakeFiles/..__ncs-serial-modem.git__lib__sm_at_client.dir/sm_at_client.c.obj.d -o modules/ncs-serial-modem.git/lib/sm_at_client/CMakeFiles/..__ncs-serial-modem.git__lib__sm_at_client.dir/sm_at_client.c.obj -c /Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c
In file included from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/toolchain/gcc.h:98,
                 from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/toolchain.h:52,
                 from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/sys/__assert.h:11,
                 from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/irq_multilevel.h:15,
                 from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:20,
                 from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/device.h:12,
                 from /Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/drivers/uart.h:29,
                 from /Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:9:
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/device.h:96:41: error: '__device_dts_ord_DT_CHOSEN_ncs_sm_uart_ORD' undeclared here (not in a function)
   96 | #define DEVICE_NAME_GET(dev_id) _CONCAT(__device_, dev_id)
      |                                         ^~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/toolchain/common.h:168:26: note: in definition of macro '_DO_CONCAT'
  168 | #define _DO_CONCAT(x, y) x ## y
      |                          ^
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/device.h:96:33: note: in expansion of macro '_CONCAT'
   96 | #define DEVICE_NAME_GET(dev_id) _CONCAT(__device_, dev_id)
      |                                 ^~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/device.h:297:37: note: in expansion of macro 'DEVICE_NAME_GET'
  297 | #define DEVICE_DT_NAME_GET(node_id) DEVICE_NAME_GET(Z_DEVICE_DT_DEV_ID(node_id))
      |                                     ^~~~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/device.h:314:34: note: in expansion of macro 'DEVICE_DT_NAME_GET'
  314 | #define DEVICE_DT_GET(node_id) (&DEVICE_DT_NAME_GET(node_id))
      |                                  ^~~~~~~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:32:40: note: in expansion of macro 'DEVICE_DT_GET'
   32 | static const struct device *uart_dev = DEVICE_DT_GET(DT_CHOSEN(ncs_sm_uart));
      |                                        ^~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c: In function 'gpio_init':
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:196:36: error: 'DT_N_NODELABEL_dte_dtr_P_ri_gpios_IDX_0_PH_P_port' undeclared (first use in this function)
  196 | #define DT_NODELABEL(label) DT_CAT(DT_N_NODELABEL_, label)
      |                                    ^~~~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:5497:29: note: in definition of macro 'DT_CAT3'
 5497 | #define DT_CAT3(a1, a2, a3) a1 ## a2 ## a3
      |                             ^~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:806:28: note: in expansion of macro 'DT_PROP'
  806 |                 int port = DT_PROP(DT_PHANDLE(DT_NODELABEL(dte_dtr), ri_gpios), port);
      |                            ^~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:1786:9: note: in expansion of macro 'DT_CAT6'
 1786 |         DT_CAT6(node_id, _P_, prop, _IDX_, idx, _PH)
      |         ^~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:1799:35: note: in expansion of macro 'DT_PHANDLE_BY_IDX'
 1799 | #define DT_PHANDLE(node_id, prop) DT_PHANDLE_BY_IDX(node_id, prop, 0)
      |                                   ^~~~~~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:806:36: note: in expansion of macro 'DT_PHANDLE'
  806 |                 int port = DT_PROP(DT_PHANDLE(DT_NODELABEL(dte_dtr), ri_gpios), port);
      |                                    ^~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:196:29: note: in expansion of macro 'DT_CAT'
  196 | #define DT_NODELABEL(label) DT_CAT(DT_N_NODELABEL_, label)
      |                             ^~~~~~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:806:47: note: in expansion of macro 'DT_NODELABEL'
  806 |                 int port = DT_PROP(DT_PHANDLE(DT_NODELABEL(dte_dtr), ri_gpios), port);
      |                                               ^~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:196:36: note: each undeclared identifier is reported only once for each function it appears in
  196 | #define DT_NODELABEL(label) DT_CAT(DT_N_NODELABEL_, label)
      |                                    ^~~~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:5497:29: note: in definition of macro 'DT_CAT3'
 5497 | #define DT_CAT3(a1, a2, a3) a1 ## a2 ## a3
      |                             ^~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:806:28: note: in expansion of macro 'DT_PROP'
  806 |                 int port = DT_PROP(DT_PHANDLE(DT_NODELABEL(dte_dtr), ri_gpios), port);
      |                            ^~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:1786:9: note: in expansion of macro 'DT_CAT6'
 1786 |         DT_CAT6(node_id, _P_, prop, _IDX_, idx, _PH)
      |         ^~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:1799:35: note: in expansion of macro 'DT_PHANDLE_BY_IDX'
 1799 | #define DT_PHANDLE(node_id, prop) DT_PHANDLE_BY_IDX(node_id, prop, 0)
      |                                   ^~~~~~~~~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:806:36: note: in expansion of macro 'DT_PHANDLE'
  806 |                 int port = DT_PROP(DT_PHANDLE(DT_NODELABEL(dte_dtr), ri_gpios), port);
      |                                    ^~~~~~~~~~
/Users/joe/Documents/KuiperZephyr/zephyr/include/zephyr/devicetree.h:196:29: note: in expansion of macro 'DT_CAT'
  196 | #define DT_NODELABEL(label) DT_CAT(DT_N_NODELABEL_, label)
      |                             ^~~~~~
/Users/joe/Documents/KuiperZephyr/ncs-serial-modem.git/lib/sm_at_client/sm_at_client.c:806:47: note: in expansion of macro 'DT_NODELABEL'
  806 |                 int port = DT_PROP(DT_PHANDLE(DT_NODELABEL(dte_dtr), ri_gpios), port);
      |                                               ^~~~~~~~~~~~
[208/217] Building C object zephyr/d...ers__serial.dir/uart_nrfx_uarte.c.obj
ninja: build stopped: subcommand failed.
FAILED: [code=1] _sysbuild/sysbuild/images/sm_at_client_shell-prefix/src/sm_at_client_shell-stamp/sm_at_client_shell-build /Users/joe/Documents/KuiperZephyr/build/_sysbuild/sysbuild/images/sm_at_client_shell-prefix/src/sm_at_client_shell-stamp/sm_at_client_shell-build 
cd /Users/joe/Documents/KuiperZephyr/build/sm_at_client_shell && /opt/homebrew/bin/cmake --build .
ninja: build stopped: subcommand failed.
FATAL ERROR: command exited with status 1: /opt/homebrew/bin/cmake --build /Users/joe/Documents/KuiperZephyr/build`