Traceback (most recent call last):
  File "electrum/gui/qt/main_window.py", line 1673, in do_pay
  File "electrum/gui/qt/main_window.py", line 1687, in do_pay_invoice
  File "electrum/gui/qt/main_window.py", line 1761, in pay_onchain_dialog
  File "electrum/gui/qt/main_window.py", line 1665, in save_pending_invoice
  File "electrum/wallet.py", line 795, in save_invoice
  File "electrum/wallet.py", line 315, in save_db
  File "electrum/wallet_db.py", line 1408, in write
  File "electrum/util.py", line 439, in <lambda>
  File "electrum/util.py", line 435, in do_profile
  File "electrum/wallet_db.py", line 1418, in _write
  File "electrum/storage.py", line 85, in write
OSError: [Errno 28] No space left on device