Mini Graph Card NaN

Moin an alle,

ich möchte den letzten Status des Präsenzsensor anzeigen lassen, erhalte aber NaN in der Karte.

type: custom:mini-graph-card
entities:
  - entity: sensor.aqara_fp2_light_sensor_light_level
    show_state: true
  - entity: binary_sensor.aqara_fp2_presence_sensor_1
    show_state: true
    show_graph: false
name: Aqara FP2 light sensor
smoothing: true
show:
  points: hover
  average: true
  extrema: true
  fill: true
points_per_hour: 60
hours_to_show: 240
line_width: 5
color_thresholds:
  - value: 20
    color: "#000055"
  - color: "#002655"
  - value: 500
    color: "#fa1905"
  - value: 750
    color: "#fa2e05"
  - value: 1000
    color: "#fa5b05"
  - value: 1500
    color: "#faa805"
  - value: 2000
    color: "#e1fa05"
layout_options:
  grid_columns: full
  grid_rows: null