Traceback (most recent call last):
  File "electrum/gui/qt/send_tab.py", line 523, in do_save_invoice
  File "electrum/gui/qt/send_tab.py", line 529, in save_pending_invoice
  File "electrum/wallet.py", line 1001, in save_invoice
  File "electrum/wallet.py", line 390, in save_db
  File "electrum/wallet_db.py", line 1516, in write
  File "electrum/util.py", line 446, in <lambda>
  File "electrum/util.py", line 442, in do_profile
  File "electrum/wallet_db.py", line 1526, in _write
  File "electrum/storage.py", line 84, in write
FileNotFoundError: [Errno 2] No such file or directory: '/Volumes/Untitled/new-wallet-2.json.tmp.32263'