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AWR1843BOOST: Device Crashing again and again

Part Number: AWR1843BOOST

While i launch the AWR1843BOOST EVM, from ros. It works fine for a couple of seconds but the it crashes giving the following error. It was working perfectly fine till now, but suddenly this started happening. What could be the possible cause? 

terminate called after throwing an instance of 'serial::SerialException'
what(): SerialException device reports readiness to read but returned no data (device disconnected?) failed.
[mmWave_Manager-2] process has died [pid 22421, exit code -6, cmd /home/fluxdrive/new_ws/devel/lib/ti_mmwave_rospkg/ti_mmwave_rospkg __name:=mmWave_Manager __log:=/home/fluxdrive/.ros/log/6bc641ee-61b5-11e9-9ac7-0242651f96f3/mmWave_Manager-2.log].
log file: /home/fluxdrive/.ros/log/6bc641ee-61b5-11e9-9ac7-0242651f96f3/mmWave_Manager-2*.log