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IWR6843ISK: People counting demo + GUI issues

Part Number: IWR6843ISK

Hey team,

While running the demo, everything was working and now when I go back and try to rerun the demo, I see the below warnings:

"flushCfg

Warning: Unexpected Warning: A timeout occurred before the Terminator was reached.
Warning: Unexpected Warning: A timeout occurred before the Terminator was reached.
Warning: Unsuccessful read: The specified amount of data was not returned within the Timeout period..

dfeDataOutputMode 1
Warning: Unexpected Warning: A timeout occurred before the Terminator was reached.
Warning: Unexpected Warning: A timeout occurred before the Terminator was reached.

Warning: Unsuccessful read: The specified amount of data was not returned within the Timeout period..

channelCfg 15 3 0"

And this continues until it runs through the entire config file. Then upon launching the visualizer is crashes and closes all windows. I flashed the board numerous times while checking the Com port and power cycling often. This was seen on two different boards with two different computers. The board was working fine before and the exact same board has problems now (problems were seen before re-flashing).

Any thoughts?

Best,

Sam