Error during setup of component webrtc: 'LovelaceData' object is not subscriptable

[denisivanovdreamix]

Since release 2026.2 of HA, WebRTC shows this error:

Logger: homeassistant.setup
Source: setup.py:425
First occurred: 14:21:41 (1 occurrence)
Last logged: 14:21:41

Error during setup of component webrtc: 'LovelaceData' object is not subscriptable
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/setup.py", line 425, in _async_setup_component
    result = await task
             ^^^^^^^^^^
  File "/config/custom_components/webrtc/__init__.py", line 67, in async_setup
    await utils.init_resource(hass, "/webrtc/webrtc-camera.js", str(version))
  File "/config/custom_components/webrtc/utils.py", line 129, in init_resource
    resources: ResourceStorageCollection = hass.data["lovelace"]["resources"]
                                           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
TypeError: 'LovelaceData' object is not subscriptable

[Kaxrr]

Yes this seems to have been triggered by the last HA core 2026.2.0 update

[dvdsndr]

Same error here. Re-downloaded via HACS and HA restart fixed for me.

[AlexxIT]

You are using a very outdated version. I won't close the issue yet. There are probably quite a few such users.

[Kaxrr]

Thanks !