Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/transaction_dialog.py", line 280, in <lambda>
    action.triggered.connect(lambda: self.export_to_file(tx=gettx()))
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/transaction_dialog.py", line 359, in export_to_file
    with open(fileName, "w+") as f:
         ^^^^^^^^^^^^^^^^^^^^
PermissionError: [Errno 13] Permission denied: '/default_wallet-8bddb3d4.txn'