How to stop Home Assistant restarting loop

Home Assistant release with the issue:
0.83.1

Last working Home Assistant release (if known):
0.83.0

Operating environment (Hass.io/Docker/Windows/etc.):
Hass.io

Component/platform:
Lovelace UI

Description of problem:
Home Assistant keeps restarting. I don’t know how to stop it.
I don’t have acces to the interface. I only can use FTP.

Additional information:
Part in the home-assistant.log that keeps repeating:
KeyError: ‘name’
2018-12-07 15:44:14 INFO (MainThread) [homeassistant.components.http.view] Serving /api/websocket to XXX.XXX.XXX.XXX (auth: False)
2018-12-07 15:44:14 INFO (MainThread) [homeassistant.components.http.view] Serving /auth/token to XXX.XXX.XXX.XXX (auth: False)
2018-12-07 15:44:14 ERROR (MainThread) [aiohttp.server] Error handling request
Traceback (most recent call last):
File “/usr/local/lib/python3.6/site-packages/aiohttp/web_protocol.py”, line 390, in start
resp = await self._request_handler(request)
File “/usr/local/lib/python3.6/site-packages/aiohttp/web_app.py”, line 366, in _handle
resp = await handler(request)
File “/usr/local/lib/python3.6/site-packages/aiohttp/web_middlewares.py”, line 106, in impl
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/static.py”, line 66, in staticresource_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/real_ip.py”, line 34, in real_ip_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/ban.py”, line 66, in ban_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/auth.py”, line 97, in auth_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/real_ip.py”, line 34, in real_ip_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/ban.py”, line 66, in ban_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/auth.py”, line 97, in auth_middleware
return await handler(request)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/view.py”, line 113, in handle
result = await result
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/http/ban.py”, line 76, in handle_req
resp = await func(view, request, *args, **kwargs)
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/auth/init.py”, line 258, in post
hass, data, str(request[KEY_REAL_IP]))
File “/usr/local/lib/python3.6/site-packages/homeassistant/components/auth/init.py”, line 346, in _async_handle_refresh_token
refresh_token = await hass.auth.async_get_refresh_token_by_token(token)
File “/usr/local/lib/python3.6/site-packages/homeassistant/auth/init.py”, line 330, in async_get_refresh_token_by_token
return await self._store.async_get_refresh_token_by_token(token)
File “/usr/local/lib/python3.6/site-packages/homeassistant/auth/auth_store.py”, line 204, in async_get_refresh_token_by_token
await self._async_load()
File “/usr/local/lib/python3.6/site-packages/homeassistant/auth/auth_store.py”, line 247, in _async_load
name=group_dict[‘name’],
KeyError: ‘name’