Hyundai Kona 2024 - Unknown error when sending charge command, but still works.

[jstebenne]

Region and Brand of car Canada, Hyundai Kona 2024

Version of the integration v2.18.2

Describe the bug When using the Star Charge and Stop Charge services, a "Unkown Error" message is immediately displayed after sending a command, but the command still works.

Debug logs if an error occurred

Logger: homeassistant.helpers.script.websocket_api_script
Source: helpers/script.py:476
First occurred: 4:46:19 PM (4 occurrences)
Last logged: 4:47:46 PM

websocket_api script: Error executing script. Unexpected error for call_service at pos 1: Sensor sensor.kona_ev_set_temperature has device class 'temperature', state class 'None' unit '°C' and suggested precision 'None' thus indicating it has a numeric value; however, it has the non-numeric value: 'OFF' (<class 'str'>)
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 639, in state
    numerical_value = int(value)
                      ^^^^^^^^^^
ValueError: invalid literal for int() with base 10: 'OFF'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 642, in state
    numerical_value = float(value)
                      ^^^^^^^^^^^^
ValueError: could not convert string to float: 'OFF'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 476, in _async_step
    await getattr(self, handler)()
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 713, in _async_call_service_step
    response_data = await self._async_run_long_action(
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 675, in _async_run_long_action
    return long_task.result()
           ^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/core.py", line 2149, in async_call
    response_data = await coro
                    ^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/core.py", line 2186, in _execute_service
    return await target(service_call)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/kia_uvo/services.py", line 125, in async_handle_stop_charge
    await coordinator.async_stop_charge(vehicle_id)
  File "/config/custom_components/kia_uvo/coordinator.py", line 222, in async_stop_charge
    await self.async_request_refresh()
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 250, in async_request_refresh
    await self._debounced_refresh.async_call()
  File "/usr/src/homeassistant/homeassistant/helpers/debounce.py", line 93, in async_call
    await task
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 276, in async_refresh
    await self._async_refresh(log_failures=True)
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 399, in _async_refresh
    self.async_update_listeners()
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 182, in async_update_listeners
    update_callback()
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 479, in _handle_coordinator_update
    self.async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 945, in async_write_ha_state
    self._async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1066, in _async_write_ha_state
    state, attr, capabilities, shadowed_attr = self.__async_calculate_state()
                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1003, in __async_calculate_state
    state = self._stringify_state(available)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 951, in _stringify_state
    if (state := self.state) is None:
                 ^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 646, in state
    raise ValueError(
ValueError: Sensor sensor.kona_ev_set_temperature has device class 'temperature', state class 'None' unit '°C' and suggested precision 'None' thus indicating it has a numeric value; however, it has the non-numeric value: 'OFF' (<class 'str'>)

To Reproduce

1. Ensure that the car is currently charging
2. Trigger the "Stop charge" service on the vehicle, through Home Assistant.
3. An error is displayed, and the vehicle stops charging.

Expected behavior No error should be displayed.