Help!

This is my worlds.yml

groups:
  world:
  - world
  - world_nether
  - world_the_end
  Lobby2:
  - Lobby2

I am aware that there is a case-sensitive rule


This is my config.yml


first-start: false
player:
  ender-chest: true
  inventory: true
  stats: true
player-stats:
  can-fly: true
  display-name: false
  exhaustion: true
  exp: true
  food: true
  flying: true
  gamemode: false
  health: true
  level: true
  potion-effects: true
  saturation: true


What am i doing wrong???

plz help

t0x