Traceback (most recent call last):
  File "electrum\gui\qt\main_window.py", line 2515, in closeEvent
  File "electrum\gui\qt\main_window.py", line 2546, in clean_up
  File "electrum\gui\qt\__init__.py", line 486, in close_window
  File "electrum\daemon.py", line 552, in stop_wallet
  File "concurrent\futures\_base.py", line 458, in result
  File "concurrent\futures\_base.py", line 403, in __get_result
  File "electrum\daemon.py", line 561, in _stop_wallet
  File "electrum\wallet.py", line 544, in stop
  File "electrum\wallet.py", line 479, in save_db
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\json_db.py", line 396, in write
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\util.py", line 483, in do_profile
  File "electrum\json_db.py", line 420, in write_and_force_consolidation
  File "electrum\storage.py", line 92, in write
  File "electrum\storage.py", line 210, in encrypt_before_writing
  File "electrum\ecc.py", line 356, in encrypt_message
  File "electrum\crypto.py", line 144, in aes_encrypt_with_iv
  File "cryptography\hazmat\primitives\ciphers\base.py", line 174, in update
  File "cryptography\hazmat\backends\openssl\ciphers.py", line 146, in update
MemoryError