Mac macOS Big Sur V: 11.5.2

Chirp Chirp daily-20210814

QYT KT-8900D

Having once successfully uploaded to the QYT radio (yes, I downloaded first then copy/past and uploaded to radio), I magically can not get the computer/radio to clone.

For Download to radio I Use:

PORT: /dev/cu.usbserial-1420 VENDOR: QYT MODEL: KT8900D

All software/drivers up to date. Anyone have an idea how I can use the computer/cable/radio set again???

Tim