Could not load the Supervisor panel

I had to restore an older copy of configuration.yaml because i wasn’t getting access to the GUI.

After that i got access to the GUI, but the supervisor panel is bugged.

Any idea why?

This is my configuration.yaml

# Configure a default setup of Home Assistant (frontend, api, etc)
default_config:

# Text to speech
tts:
  - platform: google_translate

group: !include groups.yaml
automation: !include automations.yaml
script: !include scripts.yaml
scene: !include scenes.yaml

frontend:
  themes: !include_dir_merge_named themes

lovelace:
  resources:
    - url: /local/mini-media-player-bundle.js?v=1.13.0
      type: module

sensor:
  - platform: systemmonitor
    resources:
      - type: processor_use
      - type: disk_use_percent
        arg: "/"
      - type: disk_free
        arg: "/"
      - type: memory_use_percent
      - type: network_in
        arg: eth0
      - type: throughput_network_in
        arg: eth0
      - type: network_out
        arg: eth0
      - type: throughput_network_out
        arg: eth0
      - type: processor_temperature
      - type: last_boot
  # OPTIONAL CPU Raspberry Pi Temp
  - platform: command_line
    name: CPU Temp
    command: "cat /sys/class/thermal/thermal_zone0/temp"
    unit_of_measurement: "°C"
    value_template: "{{ value | multiply(0.001) | round(2)  }}"

# Example configuration.yaml entry

home_connect:
  client_id: id
  client_secret: secret

# Unflashed SONOFF devices
sonoff:
  username: usr
  password: pass
  reload: always

#tradfri:
#  host: 192.168.1.220

# Custom Panels
panel_custom:
  - name: Supervisor
    url_path: hassio/system # url_path needs to be unique for each panel_custom config
    sidebar_title: Supervisor
    sidebar_icon: mdi:home-assistant # https://materialdesignicons.com/
    module_url: /local/panel-redirect.js # 'local' is '/config/www/'