Traceback (most recent call last):
  File "electrum\gui\qt\transaction_dialog.py", line 538, in do_broadcast
  File "electrum\gui\qt\send_tab.py", line 531, in save_pending_invoice
  File "electrum\wallet.py", line 1105, in save_invoice
  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 86, in write
OSError: [Errno 28] No space left on device