Trying to create my own blueprint

[Vandiliz3r]

Could you please advise why the below blueprint does not work on the dashboard?

`blueprint:
custom_cards:

• mushroom-template-card
• mini-graph-card
  description: Created from the Pi-Hole Layout
  name: SolarPower
  type: page
  version: '1.0'
  card:
  cards:
• cards: []
  item_classes: col-lg-3
  type: vertical-stack
• cards:
  • cards:

    • entity: sensor.eskom_gridfreq
      icon: |2
      {% if is_state(entity, '0.0') %}
      mdi:transmission-tower-off
      {% else %}
      mdi:transmission-tower
      {% endif %}
      icon_color: |2-
      {% if not is_state(entity, '0.0') %}
      #0c0
      {% else %}
      red
      {% endif %}
      layout: vertical
      primary: |2-
      {% if not is_state(entity, '0.0') %}
      Eskom
      {% else %}
      Eskom
      {% endif %}
      secondary: |2-
      {% if not is_state(entity, '0.0') %}
      Supply Is On!
      {% else %}
      Supply Is Dead!
      {% endif %}
      tap_action:
      action: toggle
      type: custom:mushroom-template-card

    • entity: sensor.solar_watts
      icon: |2-
      {% if is_state(entity, '0.0') %}
      mdi:weather-sunset-down
      {% else %}
      mdi:solar-power
      {% endif %}
      icon_color: |2-
      {% if not is_state(entity, '0.0') %}
      #0c0
      {% else %}
      red
      {% endif %}
      layout: vertical
      primary: |2-
      {% if not is_state(entity, '0.0') %}
      Solar
      {% else %}
      Solar
      {% endif %}
      secondary: |2-
      {% if not is_state(entity, '0.0') %}
      Generating Power!
      {% else %}
      Is it night time?
      {% endif %}
      tap_action:
      action: toggle
      type: custom:mushroom-template-card

    • entity: sensor.eskom_loadshedding_stage
      icon: |2+
      {% if is_state(entity, '0') %}
      mdi:check-circle
      {% else %}
      mdi:alert-circle
      {% endif %}

      icon_color: |2-
      {% if is_state(entity, '0') %}
      #0c0
      {% else %}
      red
      {% endif %}
      layout: vertical
      primary: |2-
      {% if is_state(entity, '0') %}
      Loadshedding
      {% else %}
      LoadShedding
      {% endif %}
      secondary: |2-
      {% if is_state(entity, '0.0') %}
      None
      {% else %}
      Stage {{
      states('sensor.eskom_loadshedding_stage')}}
      {% endif %}
      tap_action:
      action: toggle
      type: custom:mushroom-template-card
      type: horizontal-stack

  • cards:
    • entity: sensor.inverter_maxload
      icon: mdi:speedometer
      layout: vertical
      multiline_secondary: false
      primary: Max Laod
      secondary: '{{states(entity)}}'
      type: custom:mushroom-template-card
    • entity: sensor.solar_maxpv
      icon: mdi:speedometer
      layout: vertical
      multiline_secondary: false
      primary: PV Max
      secondary: '{{states(entity)}}'
      type: custom:mushroom-template-card
    • entity: sensor.battery_volts
      icon: mdi:battery
      layout: vertical
      multiline_secondary: false
      primary: Battery Volts
      secondary: '{{states(entity)}}'
      type: custom:mushroom-template-card
    • entity: sensor.battery_soc
      icon: mdi:battery
      layout: vertical
      multiline_secondary: false
      primary: Battery SOC
      secondary: '{{states(entity)}} %'
      type: custom:mushroom-template-card
      type: horizontal-stack
  • cards:
    • aggregate_func: avg
      entities:
      • color: '#f205b3'
        entity: sensor.inverter_totalwatts
        font_size: 65
        font_size_header: 9
        height: 35
        hours_to_show: 24
        icon: mdi:account-cancel-outline
        line_width: 1
        name: Current Load
        points_per_hour: 3600
        show:
        average: true
        extrema: true
        graph: bar
        smoothing: false
        style: |
        ha-card {
        background: var(--paper-card-background-color);
        border-radius: 10px;
        box-shadow: 10px;
        font-weight: bold;
        opacity: 0.8;
        }
        tap_action: none
        type: custom:mini-graph-card
        update_interval: 1
        items_classes: col-lg-12 col-md-12 col-sm-12 col-xs-12
        padding: true
        type: custom:dwains-flexbox-card
  • cards:
    • cards:
      • aggregate_func: avg
        entities:
        • color: '#69FE08'
          entity: sensor.solar_watts
          font_size: 65
          font_size_header: 9
          height: 35
          hours_to_show: 24
          icon: mdi:account-cancel-outline
          line_width: 1
          name: Current Load
          points_per_hour: 3600
          show:
          average: true
          extrema: true
          graph: bar
          smoothing: false
          style: |
          ha-card {
          background: var(--paper-card-background-color);
          border-radius: 10px;
          box-shadow: 10px;
          font-weight: bold;
          opacity: 0.8;
          }
          tap_action: none
          type: custom:mini-graph-card
          update_interval: 1
          type: horizontal-stack
    • cards:
      • aggregate_func: avg
        entities:
        • color: '#FE0826'
          entity: sensor.eskom_gridwatts
          font_size: 65
          font_size_header: 9
          height: 35
          hours_to_show: 24
          icon: mdi:account-cancel-outline
          line_width: 1
          name: Current Load
          points_per_hour: 3600
          show:
          average: true
          extrema: true
          graph: bar
          smoothing: false
          style: |
          ha-card {
          background: var(--paper-card-background-color);
          border-radius: 10px;
          box-shadow: 10px;
          font-weight: bold;
          opacity: 0.8;
          }
          tap_action: none
          type: custom:mini-graph-card
          update_interval: 1
          type: horizontal-stack
          items_classes: col-lg-6 col-md-6 col-sm-12 col-xs-12
          padding: true
          type: custom:dwains-flexbox-card
          item_classes: col-lg-6 col-xs-12
          type: vertical-stack
• cards: []
  item_classes: col-lg-3
  type: vertical-stack
  items_classes: col-xs-12
  padding: true
  type: custom:dwains-flexbox-card`

[ghost]

Hard to find an error with the code you submitted, it is not well formatted. But, the start of the Blueprint must have looked like this.