Traceback (most recent call last):
  File "electrum/gui/qt/main_window.py", line 2541, in closeEvent
  File "electrum/gui/qt/main_window.py", line 2572, in clean_up
  File "electrum/gui/qt/__init__.py", line 433, in close_window
  File "electrum/daemon.py", line 533, in stop_wallet
  File "concurrent/futures/_base.py", line 446, in result
  File "concurrent/futures/_base.py", line 391, in __get_result
  File "electrum/daemon.py", line 542, in _stop_wallet
  File "electrum/wallet.py", line 463, in stop
  File "electrum/wallet.py", line 397, in save_db
  File "electrum/wallet_db.py", line 1625, in write
  File "electrum/util.py", line 474, in <lambda>
  File "electrum/util.py", line 469, in do_profile
  File "electrum/wallet_db.py", line 1635, in _write
  File "electrum/storage.py", line 85, in write
OSError: [Errno 6] Device not configured: '/Volumes/NO NAME/new-wallet.json.tmp.46517'