Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/invoice_list.py", line 176, in <lambda>
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/invoice_list.py", line 199, in delete_invoices
  File "/usr/lib/python3/dist-packages/electrum/wallet.py", line 390, in save_db
  File "/usr/lib/python3/dist-packages/electrum/wallet_db.py", line 1516, in write
  File "/usr/lib/python3/dist-packages/electrum/util.py", line 446, in <lambda>
  File "/usr/lib/python3/dist-packages/electrum/util.py", line 442, in do_profile
  File "/usr/lib/python3/dist-packages/electrum/wallet_db.py", line 1526, in _write
  File "/usr/lib/python3/dist-packages/electrum/storage.py", line 84, in write
OSError: [Errno 30] Read-only file system: '/home/kali/.electrum/wallets/wallet_work.tmp.3231'