nRF5340 Audio DK erased and bricked?

I just got a new set of nRF5340 Audio DKs and I may have been too fast on the trigger trying to flash the boards with example programs.  I'm using VS Code, and I'm a newbie with this workflow (I don't do much coding or firmware these days), so I hurried through opening a sample application, building it, and trying to flash the board.  I got some kind of "are you sure" warning about erasing the chip, but clicked Yes anyway.  The application did not run on the board as I had hoped it would.

Now, in the Connected Devices section of the NRF Connect tab, my device shows as a number, and the "..." button to the right has the Recover Board option grayed out.  

When I try to flash my application to the board, I get the following errors:

I have the same issue with both my boards.  Are they bricked?  Recoverable?  Any help will be greatly appreciated!

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