File "electrum\gui\qt\main_window.py", line 1789, in do_pay
  File "electrum\gui\qt\main_window.py", line 1803, in do_pay_invoice
  File "electrum\gui\qt\main_window.py", line 1858, in pay_onchain_dialog
  File "electrum\gui\qt\main_window.py", line 1781, in save_pending_invoice
  File "electrum\wallet.py", line 752, in save_invoice
  File "electrum\wallet.py", line 302, in save_db
  File "electrum\wallet_db.py", line 1239, in write
  File "electrum\wallet_db.py", line 1247, in _write
  File "electrum\util.py", line 408, in <lambda>
  File "electrum\util.py", line 404, in do_profile
  File "electrum\storage.py", line 98, in write