nrf51822 is so easy to be damaged?

[Dan]

Hi, Nordic I added "//" to the srccode of main.c in project ble_app_hrs just like below

bond_manager_init();

// ble_stack_init(); ble_error_log_init(); timers_init(); gap_params_init();

then I built the project and burned it to pca10005,the system prompted can not finish program and I can not connect to the pca10005 any more,nrfgo studio prompted an error: System off disabled until pin reset or power on reset is done. ERROR: An error occurred while connecting to the device

I want to know if the chip is damaged,

[Charles Chow]

Thanks Juha suggestion, my board saved.