Traceback (most recent call last):
  File "electrum\gui\qt\transaction_dialog.py", line 707, in save
  File "electrum\gui\qt\main_window.py", line 2670, in save_transaction_into_wallet
  File "electrum\wallet.py", line 479, in save_db
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\json_db.py", line 398, in write
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\json_db.py", line 409, in _append_pending_changes
  File "electrum\storage.py", line 117, in append
electrum.storage.StorageOnDiskUnexpectedlyChanged: expected size 5792, found 2