RESET PIN cause a HardFault_Handler

[MR.liu]

When I operate RESET PIN in main function like this:NRF_POWER->RESET = 1,Then cause a HardFault_Handler,(/attachment/fabd1141d36157d32f8c0353e4880b3e),What's this？

[MR.liu]

I tried it according to you said : for (;;) { if(opt_icm30631_get_flag() == 1) { opt_sensor_data_handler(); } if(enable_reset==0) { enable_reset=1; opt_reset_func(); } mkfriend_handler(); app_sched_execute(); power_manage(); } still the same mistake