Traceback (most recent call last):
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/gui/qt/send_tab.py", line 525, in do_save_invoice
    self.save_pending_invoice()
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/gui/qt/send_tab.py", line 531, in save_pending_invoice
    self.wallet.save_invoice(self.pending_invoice)
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/wallet.py", line 1105, in save_invoice
    self.save_db()
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/wallet.py", line 397, in save_db
    self.db.write(self.storage)
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/wallet_db.py", line 1635, in write
    self._write(storage)
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/util.py", line 470, in do_profile
    o = func(*args, **kw_args)
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/wallet_db.py", line 1645, in _write
    storage.write(json_str)
  File "/tmp/.mount_electrgglUPj/usr/lib/python3.9/site-packages/electrum/storage.py", line 86, in write
    f.write(s)
OSError: [Errno 28] No space left on device