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I have been working with a Nordic NRF51822. I have been working with this device for the past two weeks with no real issues. I have flashed the board multiple times from Keil. So today I was working with the debugger and then all of a sudden Keil wouldn't recognize my device. My flash should be configured properly however now every time I try to flash my device I get No Cortex-M SW Device Found". Any insights are appreciated because I am a little stuck.