Traceback (most recent call last):
  File "electrum\gui\qt\send_tab.py", line 573, in do_pay_or_get_invoice
  File "electrum\gui\qt\send_tab.py", line 585, in do_pay_invoice
  File "electrum\gui\qt\send_tab.py", line 260, in pay_onchain_dialog
  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 1524, in write
  File "electrum\util.py", line 445, in <lambda>
  File "electrum\util.py", line 441, in do_profile
  File "electrum\wallet_db.py", line 1534, in _write
  File "electrum\storage.py", line 82, in write
  File "electrum\storage.py", line 185, in encrypt_before_writing
  File "electrum\ecc.py", line 349, in encrypt_message
  File "electrum\crypto.py", line 144, in aes_encrypt_with_iv
  File "cryptography\hazmat\primitives\ciphers\base.py", line 123, in update
  File "cryptography\hazmat\backends\openssl\ciphers.py", line 145, in update
MemoryError