Traceback (most recent call last):
  File "electrum\gui\qt\transaction_dialog.py", line 247, in do_broadcast
  File "electrum\gui\qt\main_window.py", line 1642, in save_pending_invoice
  File "electrum\wallet.py", line 793, in save_invoice
  File "electrum\wallet.py", line 315, in save_db
  File "electrum\wallet_db.py", line 1354, in write
  File "electrum\util.py", line 420, in <lambda>
  File "electrum\util.py", line 416, in do_profile
  File "electrum\wallet_db.py", line 1364, in _write
  File "electrum\storage.py", line 85, in write
OSError: [Errno 28] No space left on device