Blueprint - Issue if no entity

Configuration Blueprints
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1

Hi,

I created a blueprint (my first one), but I have an issue when an entity (that should be optional) is not set.
Basically, the Blueprint has 2 inputs: Lights and Switches.
If one of the 2 is not configured, then the automation fails with the following error: “Error executing script. Invalid data for call_service at pos 2: must contain at least one of entity_id, device_id, area_id.”

Can someone help, please?

This is the code:

blueprint:
  name: Motion off - Lights off - Switches off (Based on Alarm Status)
  description: Turn lights and switches off if there is no motion for x minutes when the Alarm has a specific status
  domain: automation
  input:
    motion_sensor:
      name: Motion Sensor
      description: This sensor will be synchronized with the lights and the switches.
      selector:
        entity:
          domain: binary_sensor
          device_class: motion
    alarm:
      name: Alarm Control Panel
      description: Select a Alarm Control Panel
      selector:
        entity:
          domain: alarm_control_panel
    disarmed:
      name: When the alarm is disarmed
      default: true
      selector:
        boolean: {}
    armed_away:
      name: When the alarm is armed "Away"
      default: true
      selector:
        boolean: {}
    armed_home:
      name: When the alarm is armed "Home"
      default: true
      selector:
        boolean: {}
    armed_night:
      name: When the alarm is armed "Night"
      default: true
      selector:
        boolean: {}
    armed_custom_bypass:
      name: When the alarm is armed "Custom Bypass"
      default: false
      selector:
        boolean: {}
    target_light:
      name: Lights
      description: The lights to keep in sync.
      default: {}
      selector:
        target:
          entity:
            domain: light
    target_switch:
      name: Switches
      description: The switches to keep in sync.
      default: {}
      selector:
        target:
          entity:
            domain: switch
    no_motion_wait:
      name: Wait time
      description: Time to leave the light on after last motion is detected.
      default: 5
      selector:
        number:
          min: 0
          max: 60
          unit_of_measurement: minutes
          
mode: restart
max_exceeded: silent

trigger:
  - platform: state
    entity_id: !input motion_sensor
    to: 'off'
    for:
      hours: 0
      minutes: !input no_motion_wait
      seconds: 0
      milliseconds: 0
variables:
  on_disarmed: !input 'disarmed'
  on_armed_away: !input 'armed_away'
  on_armed_custom_bypass: !input 'armed_custom_bypass'
  on_armed_home: !input 'armed_home'
  on_armed_night: !input 'armed_night'
condition:
    - condition: or
      conditions:
      - condition: and
        conditions:
        - '{{ on_disarmed }}'
        - condition: state
          entity_id: !input 'alarm'
          state: disarmed
      - condition: and
        conditions:
        - '{{ on_armed_away }}'
        - condition: state
          entity_id: !input 'alarm'
          state: armed_away
      - condition: and
        conditions:
        - '{{ on_armed_custom_bypass }}'
        - condition: state
          entity_id: !input 'alarm'
          state: armed_custom_bypass
      - condition: and
        conditions:
        - '{{ on_armed_home }}'
        - condition: state
          entity_id: !input 'alarm'
          state: armed_home
      - condition: and
        conditions:
        - '{{ on_armed_night }}'
        - condition: state
          entity_id: !input 'alarm'
          state: armed_night
action:
  - service: light.turn_off
    target: !input target_light
  - service: switch.turn_off
    target: !input target_switch
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