Cant flash PX4 software in my Intel AERO

I follow the guide steps in https://docs.px4.io/en/flight_controller/intel_aero.html to flash PX4 software.
But after the final step------------- Upload with: make aerofc-v1_default upload.
erase old edition success, but flash new edition failed.

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Have you tried multiple times and does it happen in the same way every time?