worlds:
  Skyblock:
    ==: MVWorld
    hidden: 'false'
    alias: Skyblock
    color: WHITE
    style: NORMAL
    pvp: 'true'
    scale: '1.0'
    respawnWorld: Skyblock
    ...


respawnWorld first was ' ' then i change it to Skyblock but when i die in Skyblock world i still respawn in the default spawn which was set in survival world with essentials's /setspawn command.