Hi, I want to debug nrf51822 beacon using DK.I made the necessary connections between dk and beacon.I managed to flash the beacon using nrfgoStudio , but if I want to do flash/debug using the Keil,i receive "Error:Flash Download Failed-"Cortex M0"".If I erase all using NrfGoStudio,no longer receive this error,but the program not work.Can you help me,which is the problem?