Okay i modified it again like this but it STILL DOES NOT WORK. i think the error is because i have Multiple Worlds. I use Mulitverse and Multiworld.
users:
  ConspiracyWizard:
    permissions:
      permissions.example: true
    groups:
    - admin
groups:
  default:
    permissions.build: true
    paintball.general: true
    plotme.use: true
    essentials.kit.tools: true
    essentials.back: true
    essentials.afk: true
    essentials.pay: true
    essentials.tpahere: true
    essentials.balance: true
    essentials.balancetop: true
    essentials.suicide: true
    Signshop.Signs.*: true
    essentials.spawn: true
    warps.tp: true
    zs.join: true
    zs.leave: true
  admin:
    permissions:
      permissions.*: true
    inheritance:
    - user
  user:
    permissions:
      permissions.build: true
    worlds:
      creative:
        coolplugin.item: true
    inheritance:
    - default
messages:
  build: '&cYou do not have permission to build here.'
debug: false