Gas Heating - works but throws error in log Apr2022

sensor current-consumption:
  - platform: template
    sensors:
      gas_heating_current_consumption:
        friendly_name: "Gas Heating Current Consumption"
        unit_of_measurement: "W"
        value_template: >
          {% if state_attr('climate.hall', 'hvac_action') == 'heating' %}
            18500
          {% elif state_attr('climate.hall', 'hvac_action') == 'off' %}
            0
          {% endif %}
#Gas Heating Sensor for usage
#gives an on/off state for the calling for heat (not main on/off of device)
      central_heating_heating_state:
        friendly_name: "Central Heating Heat State"
        value_template: >
          {% if state_attr('climate.hall', 'hvac_action') == 'heating' %}
            ON
          {% elif state_attr('climate.hall', 'hvac_action') == 'off' %}
            OFF
          {% elif state_attr('climate.hall', 'hvac_action') == 'idle' %}
            OFF
          {% endif %}


  - platform: integration
    source: sensor.gas_heating_current_consumption
    name: gas_heating_total_consumption
    unit_prefix: k
    round: 2
    method: left

# These are the sensors that feed into lovelace and give a value of KWH used
utility_meter:
  hourly_gas_heating_energy:
    source: sensor.gas_heating_total_consumption
    name: Gas Heating - Current Hour
    cycle: hourly

  daily_gas_heating_energy:
    source: sensor.gas_heating_total_consumption
    name: Gas Heating - Today
    cycle: daily

  weekly_gas_heating_energy:
    source: sensor.gas_heating_total_consumption
    name: Gas Heating - This Week
    cycle: weekly

  monthly_gas_heating_energy:
    source: sensor.gas_heating_total_consumption
    name: Gas Heating - This Month
    cycle: monthly

  yearly_gas_heating_energy:
    source: sensor.gas_heating_total_consumption
    name: Gas Heating - This Year
    cycle: yearly

sensor:
        # Rad Demand and Heating Called history stats
  - platform: history_stats
    name: Heating On Today
    entity_id: sensor.central_heating_heating_state
    state: "ON"
    type: time
    start: "{{ now().replace(hour=0, minute=0, second=0) }}"
    end: "{{ now() }}"
  - platform: history_stats
    name: Heating On Yesterday
    entity_id: sensor.central_heating_heating_state
    state: "ON"
    type: time
    end: "{{ now().replace(hour=0, minute=0, second=0) }}"
    duration:
      hours: 24
  - platform: history_stats
    name: Heating On Current Week
    entity_id: sensor.central_heating_heating_state
    state: "ON"
    type: time
    start: "{{ as_timestamp( now().replace(hour=0, minute=0, second=0) ) - now().weekday() * 86400 }}"
    end: "{{ now() }}"
#  - platform: history_stats
#    name: Rads On Today
#    entity_id: binary_sensor.radiator_demands_heat
#    state: "on"
#    type: time
#    start: "{{ now().replace(hour=0, minute=0, second=0) }}"
#    end: "{{ now() }}"
#  - platform: history_stats
#    name: Rads On Yesterday
#    entity_id: binary_sensor.radiator_demands_heat
#    state: "on"
#    type: time
#    end: "{{ now().replace(hour=0, minute=0, second=0) }}"
#    duration:
#      hours: 24
#  - platform: history_stats
#    name: Rads On Current Week
#    entity_id: binary_sensor.radiator_demands_heat
#    state: "on"
#    type: time
#    start: "{{ as_timestamp( now().replace(hour=0, minute=0, second=0) ) - now().weekday() * 86400 }}"
#    end: "{{ now() }}"

# extract current and target temps from rad valves
  - platform: template
    sensors:
      lounge_current_temp:
        friendly_name: "Lounge Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_lounge.attributes.current_temperature }}"
      lounge_target_temp:
        friendly_name: "Lounge Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_lounge.attributes.current_heating_setpoint }}"
      dining_room_current_temp:
        friendly_name: "Dining Room Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_dining_room.attributes.current_temperature }}"
      dining_room_target_temp:
        friendly_name: "Dining Room Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_dining_room.attributes.current_heating_setpoint }}"
      bedroom_current_temp:
        friendly_name: "Bedroom Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_bedroom.attributes.current_temperature }}"
      bedroom_target_temp:
        friendly_name: "Bedroom Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_bedroom.attributes.current_heating_setpoint }}"
      office_current_temp:
        friendly_name: "Office Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_office.attributes.current_temperature }}"
      office_target_temp:
        friendly_name: "Office Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_office.attributes.current_heating_setpoint }}"
      chloe_current_temp:
        friendly_name: "Chloe Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_chloe.attributes.current_temperature }}"
      chloe_target_temp:
        friendly_name: "Chloe Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_chloe.attributes.current_heating_setpoint }}"
      charlie_current_temp:
        friendly_name: "Charlie Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_charlie.attributes.current_temperature }}"
      charlie_target_temp:
        friendly_name: "Charlie Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_charlie.attributes.current_heating_setpoint }}"
      play_room_current_temp:
        friendly_name: "Play Room Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_play_room.attributes.current_temperature }}"
      play_room_target_temp:
        friendly_name: "Play Room Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_play_room.attributes.current_heating_setpoint }}"
      cinema_room_current_temp:
        friendly_name: "Cinema Room Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_cinema_room.attributes.current_temperature }}"
      cinema_room_target_temp:
        friendly_name: "Cinema Room Target Temp"
        unit_of_measurement: "°C"
        value_template: "{{ states.climate.radiator_cinema_room.attributes.current_heating_setpoint }}"