Default Dashboard broken

Dear all.

My default dashboard is broken.
When I installed HA some month ago, so many sensors where listed. Now I only see 2.
My own dashboard with all sensors is working fine…
Any chance to bring back the default default view?
All I see is this:

I already tried to create a new a new dashboard… same result

I post the Code of it here.

title: Homie
views:
  - path: default_view
    title: Home
    cards:
      - type: entities
        entities:
          - switch.shelly_bath
        title: Bad
      - type: entities
        entities:
          - light.philips_light_ceiling
          - switch.shelly_kitchen
        title: Küche
      - type: grid
        square: false
        columns: 1
        cards:
          - type: entities
            entities:
              - switch.shelly_bedroom
            title: Schlafzimmer
          - type: media-control
            entity: media_player.samsung_ue40f6200
      - type: grid
        square: false
        columns: 1
        cards:
          - type: entities
            entities:
              - sensor.hp_envy_4520_series_black_ink
              - sensor.hp_envy_4520_series_tri_color_ink
              - sensor.hp_envy_4520_series
              - switch.shelly1_e8db84d633a8
              - light.twinkly_867160
            title: Wohnzimmer
          - type: thermostat
            entity: climate.stube
          - type: media-control
            entity: media_player.beyondtv
      - type: entities
        entities:
          - switch.shelly_yumiroom
          - switch.yumi_smartsteckdose
        title: YumisZimmer
      - type: grid
        square: true
        columns: 3
        cards:
          - type: picture-entity
            entity: person.tobias
            aspect_ratio: '1'
            show_name: false
            image: /api/image/serve/a8a98f955a097c8416cbb78414500fdc/512x512
          - type: picture-entity
            entity: person.yumi
            aspect_ratio: '1'
            show_name: false
            image: /api/image/serve/5bfd9029eaed2491cf068259a89b67f9/512x512
          - type: picture-entity
            entity: person.my_tien
            aspect_ratio: '1'
            show_name: false
            image: /api/image/serve/8a8cbdd1174753e586a33d48222b47e8/512x512
      - type: entities
        entities:
          - air_quality.mi_air_purifier_3c_environment
        title: air_quality
      - type: alarm-panel
        entity: alarm_control_panel.hmip_alarm_control_panel
      - type: entities
        entities:
          - binary_sensor.39214018_4f7a2fa2
          - binary_sensor.cloud_connection
          - binary_sensor.external_securityzone
          - binary_sensor.heizkorperthermostat_battery
          - binary_sensor.heizkorperthermostat_battery_2
          - binary_sensor.internal_securityzone
          - binary_sensor.rpi_power_status
          - binary_sensor.remote_ui
          - binary_sensor.updater
          - binary_sensor.wandtaster_battery
          - binary_sensor.yumis_heizung_battery
        title: Binärsensor
      - type: picture-entity
        entity: camera.39214018_4f7a2fa2
      - type: grid
        square: false
        columns: 1
        cards:
          - type: thermostat
            entity: climate.mi_air_purifier_3c_air_purifier
          - type: thermostat
            entity: climate.schlafzimmer
          - type: thermostat
            entity: climate.yumis_zimmer
      - type: entities
        entities:
          - light.09130331_3933cac4
          - light.1f246cc8_742f42e8
          - light.39214018_4f7a2fa2
          - light.3a5fc0a9_9a98b1d0
          - light.42e9ddc8_0572ac5c
          - light.594e4c20_953489f2
          - light.7d83f09c_4367be6f
          - light.89800407_12a98746
          - light.94b3e754_4661eaf3
          - light.9894b117_62ca95fb
          - light.98c43e8b_c3a586a6
          - light.stube_led
          - light.c606a51f_ac2f489b
          - light.c870c0f7_fe71bd21
          - light.d9c3272b_d7a10b84
          - light.e155eff6_f57059f6
          - light.e8b8d29b_fa8f5fc2
          - light.ec81dfe9_f369dc28
          - light.ed419238_730e0fa5
          - light.eff572be_aa7df21e
          - light.f0a7e4e3_e9d4f383
          - light.f810c6c3_51740b8a
          - light.fe5b9080_06986360
        title: Licht
      - type: grid
        square: false
        columns: 1
        cards:
          - type: media-control
            entity: media_player.09130331_3933cac4
          - type: media-control
            entity: media_player.1f246cc8_742f42e8
          - type: media-control
            entity: media_player.39214018_4f7a2fa2
          - type: media-control
            entity: media_player.3a5fc0a9_9a98b1d0
          - type: media-control
            entity: media_player.42e9ddc8_0572ac5c
          - type: media-control
            entity: media_player.594e4c20_953489f2
          - type: media-control
            entity: media_player.7d83f09c_4367be6f
          - type: media-control
            entity: media_player.89800407_12a98746
          - type: media-control
            entity: media_player.94b3e754_4661eaf3
          - type: media-control
            entity: media_player.9894b117_62ca95fb
          - type: media-control
            entity: media_player.98c43e8b_c3a586a6
          - type: media-control
            entity: media_player.amazonfiretv
          - type: media-control
            entity: media_player.samsung_ue40f6200_2
          - type: media-control
            entity: media_player.tclsmarttv
          - type: media-control
            entity: media_player.c606a51f_ac2f489b
          - type: media-control
            entity: media_player.c870c0f7_fe71bd21
          - type: media-control
            entity: media_player.d9c3272b_d7a10b84
          - type: media-control
            entity: media_player.e155eff6_f57059f6
          - type: media-control
            entity: media_player.e8b8d29b_fa8f5fc2
          - type: media-control
            entity: media_player.ec81dfe9_f369dc28
          - type: media-control
            entity: media_player.ed419238_730e0fa5
          - type: media-control
            entity: media_player.eff572be_aa7df21e
          - type: media-control
            entity: media_player.f0a7e4e3_e9d4f383
          - type: media-control
            entity: media_player.f810c6c3_51740b8a
          - type: media-control
            entity: media_player.fe5b9080_06986360
      - type: entities
        entities:
          - number.stube_led_effect_speed
        title: Nummer
      - type: entities
        entities:
          - sensor.09130331_3933cac4
          - sensor.1f246cc8_742f42e8
          - sensor.39214018_4f7a2fa2
          - sensor.3a5fc0a9_9a98b1d0
          - sensor.42e9ddc8_0572ac5c
          - sensor.594e4c20_953489f2
          - sensor.7d83f09c_4367be6f
          - sensor.89800407_12a98746
          - sensor.94b3e754_4661eaf3
          - sensor.9894b117_62ca95fb
          - sensor.98c43e8b_c3a586a6
          - sensor.corona_corolla_current_month_statistics
          - sensor.corona_corolla_current_week_statistics
          - sensor.corona_corolla_current_year_statistics
          - sensor.corona_corolla_odometer
          - sensor.date
          - sensor.date_time_iso
          - sensor.time_formatted
          - sensor.fritz_box_6490_cable_download_throughput
          - sensor.fritz_box_6490_cable_external_ip
          - sensor.fritz_box_6490_cable_gb_received
          - sensor.fritz_box_6490_cable_gb_sent
          - sensor.fritz_box_6490_cable_upload_throughput
          - sensor.mi_air_purifier_3c_air_purifier_filter_life_level
          - sensor.home_control_access_point_duty_cycle
          - sensor.heizkorperthermostat_heating
          - sensor.heizkorperthermostat_heating_2
          - sensor.mi_air_purifier_3c_air_purifier_pm2_5_density
          - sensor.mi_air_purifier_3c_air_purifier_filter_used_time
          - sensor.heizkorperthermostat_temperature_2
          - sensor.heizkorperthermostat_temperature
          - sensor.time
          - sensor.yumis_heizung_heating
          - sensor.yumis_heizung_temperature
          - sensor.c606a51f_ac2f489b
          - sensor.c870c0f7_fe71bd21
          - sensor.d9c3272b_d7a10b84
          - sensor.e155eff6_f57059f6
          - sensor.e8b8d29b_fa8f5fc2
          - sensor.ec81dfe9_f369dc28
          - sensor.ed419238_730e0fa5
          - sensor.eff572be_aa7df21e
          - sensor.f0a7e4e3_e9d4f383
          - sensor.f810c6c3_51740b8a
          - sensor.fe5b9080_06986360
          - sensor.hacs
          - sensor.local_ip
          - sensor.weather_reload_trigger
        title: Sensor
      - type: entities
        entities:
          - switch.aquarium
          - switch.licht_spot_group
          - switch.mi_air_purifier_3c_air_purifier_physical_controls_locked
          - switch.mi_air_purifier_3c_environment_physical_controls_locked
          - switch.shelly_bath_2
          - switch.shelly_bedroom_2
          - switch.shelly_flur
          - switch.shelly1_e8db84d62b8d
          - switch.shelly_kitchen_2
          - switch.shelly_livingroom
          - switch.shelly_yumiroom_2
          - switch.spot_group
          - switch.spot_steckdose
          - switch.stube_group
        title: Schalter
      - type: grid
        square: false
        columns: 1
        cards:
          - type: weather-forecast
            entity: weather.homie
            show_forecast: false
          - type: weather-forecast
            entity: weather.weather_39288_burg_bei_magdeburg_deutschland
            show_forecast: false
          - type: weather-forecast
            entity: weather.dwd_weather_burg_b_magdeburg
            show_forecast: false