Hello, When I try to create the project I get the following error for the hello world example. > Symbol 'CONFIG_BOARD' could not be resolved When I build the project I get ``` Errors occurred during the build. Errors running builder 'Zephyr Application Builder' on project 'test'. java.lang.NullPointerException ``` How to fix it? Code is as below ``` #include <zephyr.h> #include <sys/printk.h> void main(void) { printk("Hello World! %s\n", CONFIG_BOARD); } ```