Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/util.py", line 1669, in on_qt_callback_signal
    return func(self, *args[1:])
           ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/network_dialog.py", line 77, in on_event_network_updated
    self.nlayout.update()
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/network_dialog.py", line 366, in update
    self.nodes_list_widget.update(network=self.network,
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/network_dialog.py", line 152, in update
    name = b.get_name()
           ^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/electrum/blockchain.py", line 246, in get_name
    return self.get_hash(self.get_max_forkpoint()).lstrip('0')[0:10]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/electrum/blockchain.py", line 515, in get_hash
    raise MissingHeader(height)
electrum.blockchain.MissingHeader: 796364