0.83.3 Lovelace UI not loading

hello, i updated ot 0.83.3 and get this error, lovelace ui is not loading. does anyone know what could be wrong? :slight_smile:

Unexpected exception
Traceback (most recent call last):
 File "/usr/local/lib/python3.6/site-packages/homeassistant/components/websocket_api/decorators.py", line 16, in _handle_async_response
   await func(hass, connection, msg)
 File "/usr/local/lib/python3.6/site-packages/homeassistant/components/lovelace/__init__.py", line 476, in send_with_error_handling
   result = await func(hass, connection, msg)
 File "/usr/local/lib/python3.6/site-packages/homeassistant/components/lovelace/__init__.py", line 508, in websocket_lovelace_config
   return await hass.async_add_executor_job(load_config, hass)
 File "/usr/local/lib/python3.6/concurrent/futures/thread.py", line 56, in run
   result = self.fn(*self.args, **self.kwargs)
 File "/usr/local/lib/python3.6/site-packages/homeassistant/components/lovelace/__init__.py", line 160, in load_config
   for card in view.get('cards', []):
TypeError: 'NoneType' object is not iterable

i have tried to reset my lovelace-ui config without any luck… :frowning: