Component not found for Nest Protect

I am trying to group my Nest Protects but getting the following error:

Component not found

My block of code:

nest_protect_dining_room:
name: dining room
entities:

  • binary_sensor.dining_room_nest_protect_online
  • sensor.dining_room_nest_protect_battery_health
  • sensor.dining_room_nest_protect_co_status
  • sensor.dining_room_nest_protect_smoke_statu