start error then blockchain update halt(?) about electrum HOT 2 OPEN

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/electrum_gui/qt/main_window.py", line 634, in timer_actions
    self.update_wallet()
  File "/usr/local/lib/python3.8/dist-packages/electrum_gui/qt/main_window.py", line 758, in update_wallet
    self.update_tabs()
  File "/usr/local/lib/python3.8/dist-packages/electrum_gui/qt/main_window.py", line 761, in update_tabs
    self.history_list.update()
  File "/usr/local/lib/python3.8/dist-packages/electrum_gui/qt/util.py", line 505, in update
    self.on_update()
  File "/usr/local/lib/python3.8/dist-packages/electrum/util.py", line 293, in <lambda>
    return lambda *args, **kw_args: do_profile(func, args, kw_args)
  File "/usr/local/lib/python3.8/dist-packages/electrum/util.py", line 289, in do_profile
    o = func(*args, **kw_args)
  File "/usr/local/lib/python3.8/dist-packages/electrum_gui/qt/history_list.py", line 239, in on_update
    status, status_str = self.wallet.get_tx_status(tx_hash, height, conf, timestamp)
  File "/usr/local/lib/python3.8/dist-packages/electrum/wallet.py", line 1171, in get_tx_status
    size = tx.estimated_size()
  File "/usr/local/lib/python3.8/dist-packages/electrum/util.py", line 293, in <lambda>
    return lambda *args, **kw_args: do_profile(func, args, kw_args)
  File "/usr/local/lib/python3.8/dist-packages/electrum/util.py", line 291, in do_profile
    print_error("[profiler]", n, "%.4f"%t)
  File "/usr/local/lib/python3.8/dist-packages/electrum/util.py", line 251, in print_error
    print_stderr(*args)
  File "/usr/local/lib/python3.8/dist-packages/electrum/util.py", line 255, in print_stderr
    sys.stderr.write(" ".join(args) + "\n")
OSError: [Errno 5] Input/output error