Integration HA with Remeha etwist

I’m trying to setup HA in combination with my 2 Remeha etwist thermostats.
I can read water temperature, errors, … But can’t get a graph of the current temp and set temp.
Can someone help me?
Tried this integration.

Error message below.

Logger: homeassistant.components.climate
Source: custom_components/bdr_thermostat/
Integration: Klimaat ([documentation](, [issues](
First occurred: 09:27:34 (1 occurrences)
Last logged: 09:27:34

bdr_thermostat: Error on device update!

Traceback (most recent call last): File "/usr/src/homeassistant/homeassistant/helpers/", line 493, in _async_add_entity await entity.async_device_update(warning=False) File "/usr/src/homeassistant/homeassistant/helpers/", line 715, in async_device_update await task File "/config/custom_components/bdr_thermostat/", line 108, in async_update self._attr_extra_state_attributes["next_temp"] = next_switch[ KeyError: 'roomTemperatureSetpoint'