Fan Template for 4-Speed Fan

I’ tried another implementation based on this post: https://community.home-assistant.io/t/help-new-template-fan-integration-percentage/286823/12?u=jjmuriel , but the error is the same.

fan:
  - platform: template
    fans:
      study_fan:
        friendly_name: "Ventilador Estudio"
        value_template: "{{ states('input_boolean.study_fan_state') }}"
        percentage_template: "{{ states('input_number.study_fan_speed_selector') }}"
        turn_on:
          service: script.study_fan_on
        turn_off:
          service: script.study_fan_off
        set_percentage:
          service: script.study_fan_set_speed_percent
          data:
            value: "{{ percentage }}"
        speed_count: 4
script:
  study_fan_off:
    alias: Study Fan Off
    sequence:
      - choose:
          - conditions:
              - condition: state
                entity_id: switch.speed_1
                state: 'on'
            sequence:
              - service: switch.turn_off
                target:
                  entity_id: switch.speed_1
          - conditions:
              - condition: state
                entity_id: switch.speed_2
                state: 'on'
            sequence:
              - service: switch.turn_off
                target:
                  entity_id: switch.speed_2
          - conditions:
              - condition: state
                entity_id: switch.speed_3
                state: 'on'
            sequence:
              - service: switch.turn_off
                target:
                  entity_id: switch.speed_3
          - conditions:
              - condition: state
                entity_id: switch.speed_4
                state: 'on'
            sequence:
              - service: switch.turn_off
                target:
                  entity_id: switch.speed_4
      - service: input_boolean.turn_off
        target:
          entity_id: input_boolean.study_fan_state
      
  study_fan_on:
    alias: Study Fan On
    sequence:
      - service: input_boolean.turn_on
        entity_id: input_boolean.study_fan_state
      - service: script.study_fan_set_speed_percent
    
  study_fan_set_speed_percent:
    alias: Study Fan Set Percentage
    sequence:
      - service: input_number.set_value
        entity_id: input_number.study_fan_speed_percentage
        data:
          value: "{{ percentage }}"
      - delay:
          milliseconds: 500
      - service: >
          {% if states("input_number.study_fan_speed_percentage") | int == 25 %}
            script.study_fan_low_speed            
          {% elif states("input_number.study_fan_speed_percentage") | int == 50 %}
            script.study_fan_medium_speed
          {% elif states("input_number.study_fan_speed_percentage") | int == 75 %}
            script.study_fan_medium_high_speed
          {% elif states("input_number.study_fan_speed_percentage") | int == 100 %}
            script.study_fan_high_speed
          {% else %}
            script.study_fan_off
          {% endif %}
      - service: >
          {% if states("input_number.study_fan_speed_percentage") | int == 25 %}
            input_boolean.turn_on
          {% elif states("input_number.study_fan_speed_percentage") | int == 50 %}
            input_boolean.turn_on
          {% elif states("input_number.study_fan_speed_percentage") | int == 75 %}
            input_boolean.turn_on
          {% elif states("input_number.study_fan_speed_percentage") | int == 100 %}
            input_boolean.turn_on
          {% else %}
            input_boolean.turn_off
          {% endif %}
        entity_id: input_boolean.study_fan_state
      
  study_fan_low_speed:
    alias: Study Fan Low
    sequence:
      - service: switch.turn_on
        entity_id:  switch.speed_1

  study_fan_medium_speed:
    alias: Study Fan Medium
    sequence:
      - service: switch.turn_on
        entity_id:  switch.speed_2

  study_fan_medium_high_speed:
    alias: Study Fan Medium High
    sequence:
      - service: switch.turn_on
        entity_id:  switch.speed_3
      
  study_fan_high_speed:
    alias: Study Fan High
    sequence:
      - service: switch.turn_on
        entity_id:  switch.speed_4

* Ventilador Estudio: Error executing script. Invalid data for call_service at pos 1: expected float for dictionary value @ data['value']