Error: code = 1006 (connection closed abnormally [internal]), no reason

[Chris3092]

During Plotting state. - Ubuntu 20.04.2.0 LTS - HELP

cat ~/.chia/mainnet/log/debug.log | grep -i 'error'

2021-05-10T20:46:09.182 daemon main : ERROR Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal]), no reason Traceback (most recent call last):
asyncio.exceptions.IncompleteReadError: 0 bytes read on a total of 2 expected bytes
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason
2021-05-10T21:09:37.815 daemon main : ERROR Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal]), no reason Traceback (most recent call last):
asyncio.exceptions.IncompleteReadError: 0 bytes read on a total of 2 expected bytes
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason
2021-05-10T21:09:45.609 full_node chia.full_node.full_node: ERROR Error with syncing: <class 'RuntimeError'>Traceback (most recent call last):
RuntimeError: cannot schedule new futures after shutdown
2021-05-10T21:09:45.629 full_node asyncio : ERROR Unclosed client session
2021-05-10T21:09:48.544 daemon asyncio : ERROR Task exception was never retrieved
future: <Task finished name='Task-209' coro=<kill_service() done, defined at chia/daemon/server.py:833> exception=AttributeError("'list' object has no attribute 'terminate'")>
AttributeError: 'list' object has no attribute 'terminate'
2021-05-10T21:09:48.546 daemon main : ERROR Unexpected exception trying to send to websocket: code = 1006 (connection closed abnormally [internal]), no reason Traceback (most recent call last):
asyncio.exceptions.IncompleteReadError: 0 bytes read on a total of 2 expected bytes
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason