Unknown Error

[400HPMustang]

Home Assistant Core 2022.6.7
Home Assistant Supervisor 2022.06.2
Home Assistant OS 8.2

What I am doing:

I don't know...the error showed up in my logs

What I expected to happen:
I expect no error in the logs

What happened instead:
I have an error

Minimal steps to reproduce:
I have no idea.

# The least amount of code or steps possible to reproduce my error

# Put your code/steps here

Error messages from the browser console:

Logger: homeassistant.components.websocket_api.http.connection
Source: helpers/entity.py:694
Integration: Home Assistant WebSocket API (documentation, issues)
First occurred: 9:00:07 AM (1 occurrences)
Last logged: 9:00:07 AM

[140297649504752] Error handling message: Unknown error (unknown_error)
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/websocket_api/connection.py", line 107, in async_handle
    handler(self.hass, self, schema(msg))
  File "/config/custom_components/browser_mod/connection.py", line 44, in handle_update
    devices[deviceID].update(msg.get("data", None))
  File "/config/custom_components/browser_mod/connection.py", line 108, in update
    self.screen.data = data.get("screen")
  File "/config/custom_components/browser_mod/helpers.py", line 106, in data
    self.updated()
  File "/config/custom_components/browser_mod/light.py", line 28, in updated
    self.schedule_update_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 694, in schedule_update_ha_state
    self.hass.add_job(self.async_update_ha_state(force_refresh))
AttributeError: 'NoneType' object has no attribute 'add_job'

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[Sergiodiaz53]

I'm having the same error loading an ui-minimalist control panel, specifically in the mini-graph-card

[thomasloven]

Closed because of Browser Mod 2.0 release.
Please see #354.