```
Traceback (most recent call last):
File "...\electrum\electrum\gui\qt\main_window.py", line 898, in timer_actions
self.update_wallet()
File "...\electrum\electrum\gui\qt\main_window.py", line 1040, in update_wallet
self.update_tabs()
File "...\electrum\electrum\gui\qt\main_window.py", line 1047, in update_tabs
self.history_model.refresh('update_tabs')
File "...\electrum\electrum\util.py", line 439, in <lambda>
return lambda *args, **kw_args: do_profile(args, kw_args)
File "...\electrum\electrum\util.py", line 435, in do_profile
o = func(*args, **kw_args)
File "...\electrum\electrum\gui\qt\history_list.py", line 275, in refresh
transactions = wallet.get_full_history(
File "...\electrum\electrum\util.py", line 439, in <lambda>
return lambda *args, **kw_args: do_profile(args, kw_args)
File "...\electrum\electrum\util.py", line 435, in do_profile
o = func(*args, **kw_args)
File "...\electrum\electrum\wallet.py", line 947, in get_full_history
lnworker_history = self.lnworker.get_onchain_history() if self.lnworker and include_lightning else {}
File "...\electrum\electrum\lnworker.py", line 911, in get_onchain_history
tx_height = self.lnwatcher.get_tx_height(swap.funding_txid)
AttributeError: 'NoneType' object has no attribute 'get_tx_height'
```
5f7388a475