print("No tx: " + str(tx.raw)) AttributeError: 'NoneType' object has no attribute 'raw'

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Trying to do a Shuffle between two player, one running two instance of Electron Cash and the other 3. This result in electron cash crashing, with no error on screen, only on the console. All EC version 3.0 and latest plugin version, on newly generated wallet.

Traceback (most recent call last):
File "D:\fresh\Electron Cash-3.0\plugins\shuffle\qt.py", line 192, in
logger.logUpdater.connect(lambda x: self.process_protocol_messages(x))
File "D:\fresh\Electron Cash-3.0\plugins\shuffle\qt.py", line 137, in process_protocol_messages
print("No tx: " + str(tx.raw))
AttributeError: 'NoneType' object has no attribute 'raw'

EDIT: After further investigation, it seems the other party two EC instance did not crash but threw an "absurdly-high-fee error". My three EC instances on my side crashed without giving any error though.