Traceback (most recent call last):
  File "app/electrum/gui/qml/qetxdetails.py", line 115, in txid
  File "app/electrum/gui/qml/qetxdetails.py", line 270, in update
AssertionError: unknown txid "6939c46b4b42a0f4b51081c50bf5b6ae75bffc4c399cc3267a75c9d9e22dbfd6"