Get error 'Expected float for dictionary value'

1

Good day,

In ‘Picture Elements’ i always get the ‘Expected float for dictionary value @…’ error
When i want to increase brightness:

  - type: icon
    icon: mdi:chevron-up
    tap_action:
      action: call-service
      service: light.turn_on
      data:
        brightness_pct: '{{states.light.a_wk_eettafel.attributes.brightness + 10}}'
      target:
        entity_id: light.a_wk_eettafel
    style:
      top: 15%
      left: 50%
      color: white
      transform: translate(-50%, -50%) scale(1, 1)

or when i want to increase temperature:

  - type: icon
    icon: mdi:chevron-up
    tap_action:
      action: call-service
      service: climate.set_temperature
      data:
        temperature: '{{ state_attr(''climate.a_woonkamer'' , ''temperature'')|int + 1 }}'
      target:
        entity_id: climate.a_woonkamer
    style:
      top: 15%
      left: 5%
      color: white
      transform: translate(-50%, -50%) scale(1, 1)

What am i doing wrong?
When a put a static value for brightness or temperature, it works fine.
Thanks in advance for your time!!!
Rick