I am always getting the same issue on each sample I try to build. Not only on this "lte_lc.h". This error is also shown with several files or on the code lines....
Checking project status
Project out of date
Building ‘zephyr/include/generated/driver-validation.h’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/include/generated/driver-validation.h’
Building ‘zephyr/CMakeFiles/driver_validation_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/driver_validation_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/include/generated/kobj-types-enum.h’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/include/generated/kobj-types-enum.h’
Building ‘zephyr/include/generated/otype-to-str.h’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/CMakeFiles/kobj_types_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/kobj_types_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/misc/generated/syscalls.json’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/misc/generated/syscalls.json’
Building ‘zephyr/include/generated/syscall_list.h’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/include/generated/syscall_list.h’
Building ‘zephyr/CMakeFiles/syscall_list_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/include/generated/syscall_dispatch.c’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/syscall_list_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/include/generated/syscall_macros.h’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/include/generated/syscall_macros.h’
Building ‘zephyr/CMakeFiles/syscall_macros_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/syscall_macros_h_target’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_offsets’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/CMakeFiles/offsets.dir/arch/arm/core/offsets/offsets.c.obj’ from solution ‘build’ in configuration ‘Common’
1> Compiling ‘offsets.c’
1> In file included from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu.h:16:0,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/arch.h:246,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/cpu.h:17,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel_includes.h:34,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:17,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/kernel/include/kernel_structs.h:10,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/arch/arm/core/offsets/offsets.c:26:
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu_v8m.h:60:1: warning: multi-line comment [-Wcomment]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu_v8m.h:123:3: warning: multi-line comment [-Wcomment]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu_v8m.h:144:3: warning: multi-line comment [-Wcomment]
1> In file included from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/arch.h:246:0,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/cpu.h:17,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel_includes.h:34,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:17,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/kernel/include/kernel_structs.h:10,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/arch/arm/core/offsets/offsets.c:26:
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu.h:43:3: warning: multi-line comment [-Wcomment]
1> In file included from C:/Users/alcala_an/Documents/ncs/zephyr/kernel/include/kernel_structs.h:10:0,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/arch/arm/core/offsets/offsets.c:26:
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:268:16: warning: 'k_object_access_grant' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:283:16: warning: 'k_object_release' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:318:17: warning: 'k_object_alloc' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:720:19: warning: 'k_thread_create' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:805:17: warning: 'k_sleep' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:821:17: warning: 'k_usleep' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:831:16: warning: 'k_busy_wait' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:843:16: warning: 'k_yield' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:857:16: warning: 'k_wakeup' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:866:19: warning: 'k_current_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:883:16: warning: 'k_thread_abort' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:896:16: warning: 'k_thread_start' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:994:15: warning: 'k_thread_priority_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1024:16: warning: 'k_thread_priority_set' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1151:16: warning: 'k_thread_suspend' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1166:16: warning: 'k_thread_resume' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1234:15: warning: 'k_is_preempt_thread' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1291:16: warning: 'k_thread_custom_data_set' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1301:17: warning: 'k_thread_custom_data_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1316:15: warning: 'k_thread_name_set' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1339:15: warning: 'k_thread_name_copy' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1569:16: warning: 'k_timer_start' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1588:16: warning: 'k_timer_stop' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1602:17: warning: 'k_timer_status_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1621:17: warning: 'k_timer_status_sync' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1635:17: warning: 'k_timer_remaining_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1657:16: warning: 'k_timer_user_data_set' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1675:17: warning: 'k_timer_user_data_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1704:17: warning: 'k_uptime_get' used but never defined
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1873:16: warning: 'k_queue_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1890:16: warning: 'k_queue_cancel_wait' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1924:17: warning: 'k_queue_alloc_append' used but never defined
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:1958:17: warning: 'k_queue_alloc_prepend' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2026:17: warning: 'k_queue_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2088:15: warning: 'k_queue_is_empty' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2104:17: warning: 'k_queue_peek_head' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2120:17: warning: 'k_queue_peek_tail' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2613:17: warning: 'k_stack_alloc_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2641:16: warning: 'k_stack_push' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:2661:15: warning: 'k_stack_pop' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3255:16: warning: 'k_mutex_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3276:15: warning: 'k_mutex_lock' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3293:16: warning: 'k_mutex_unlock' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3345:16: warning: 'k_sem_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3370:15: warning: 'k_sem_take' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3385:16: warning: 'k_sem_give' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3397:16: warning: 'k_sem_reset' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3417:24: warning: 'k_sem_count_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3575:15: warning: 'k_msgq_alloc_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3598:15: warning: 'k_msgq_put' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3618:15: warning: 'k_msgq_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3635:15: warning: 'k_msgq_peek' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3649:16: warning: 'k_msgq_purge' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3662:17: warning: 'k_msgq_num_free_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3675:17: warning: 'k_msgq_get_attrs' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:3693:17: warning: 'k_msgq_num_used_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4041:15: warning: 'k_pipe_alloc_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4063:15: warning: 'k_pipe_put' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4087:15: warning: 'k_pipe_get' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4668:15: warning: 'k_poll' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4682:16: warning: 'k_poll_signal_init' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4690:16: warning: 'k_poll_signal_reset' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4708:16: warning: 'k_poll_signal_check' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:4736:15: warning: 'k_poll_signal_raise' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:5163:16: warning: 'k_str_out' declared 'static' but never defined [-Wunused-function]
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:5189:15: warning: 'k_float_disable' declared 'static' but never defined [-Wunused-function]
1> In file included from C:/Users/alcala_an/Documents/ncs/zephyr/kernel/include/kernel_offsets.h:6:0,
1> from C:/Users/alcala_an/Documents/ncs/zephyr/arch/arm/core/offsets/offsets.c:27:
1> C:/Users/alcala_an/Documents/ncs/zephyr/include/device.h:295:26: warning: 'device_get_binding' declared 'static' but never defined [-Wunused-function]
Building ‘zephyr/offsets’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/include/generated/offsets.h’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/include/generated/offsets.h’
Building ‘zephyr/CMakeFiles/offsets_h’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/offsets_h’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_app’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_arch__arm__core’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_arch__arm__core__cortex_m’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_arch__arm__core__cortex_m__mpu’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_drivers__serial’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_kernel’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_lib__libc__newlib’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_lib__posix’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_subsys__net’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_subsys__net__ip’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_zephyr’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/linker.cmd’ from solution ‘build’ in configuration ‘Common’
1> Combining ‘zephyr/linker.cmd’
Building ‘zephyr/CMakeFiles/linker_script_target’ from solution ‘build’ in configuration ‘Common’
Building ‘zephyr/linker_script_target’ from solution ‘build’ in configuration ‘Common’
Building ‘cmake_object_order_depends_target_zephyr_prebuilt’ from solution ‘build’ in configuration ‘Common’
Building ‘app/libapp.a’ from solution ‘build’ in configuration ‘Common’
2> Compiling ‘main.c’
2> In file included from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu.h:16:0,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/arch.h:246,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/cpu.h:17,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel_includes.h:34,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:17,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/zephyr.h:18,
2> from ../src/main.c:7:
2> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu_v8m.h:60:1: warning: multi-line comment [-Wcomment]
2> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu_v8m.h:123:3: warning: multi-line comment [-Wcomment]
2> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu_v8m.h:144:3: warning: multi-line comment [-Wcomment]
2> In file included from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/arch.h:246:0,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/cpu.h:17,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel_includes.h:34,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/kernel.h:17,
2> from C:/Users/alcala_an/Documents/ncs/zephyr/include/zephyr.h:18,
2> from ../src/main.c:7:
2> C:/Users/alcala_an/Documents/ncs/zephyr/include/arch/arm/cortex_m/mpu/arm_mpu.h:43:3: warning: multi-line comment [-Wcomment]
2> ../src/main.c:12:10: fatal error: lte_lc.h: No such file or directory
2> compilation terminated.
Build failed