Needing Help With Skript

[IInattileII]

My Error Is Invalid line In Options
Code:

 

options:
  server: &4&lSky&7X&0Mines

  every 1second:
    loop all players:
      set {_online} to number of all players
      wipe loop-player's sidebar
      set name of sidebar of loop-player to "{@server}"
      set score "&c&m-------------------" in sidebar of loop-player to 7
      set score "  &b&lPLAYER &7< %loop-player%" in sidebar of loop-player to 6
      set score "  &c&lKills &7 %loop-player kills% in sidebar of loop-player to 5"
      set score "" in sidebar of loop-player to 4
      set score "  &b&lONLINE PLAYERS &7>  %{_online}%" in sidebar of loop-player to 3
      set score "&c&m ------------------" in sidebar of loop-player to 2
      set score "   &7SkyXMines.minehut.gg" in sidebar of loop-player to 1  

[AbusingNub]

I believe it should be 

options:
  prefix: &4&lSky&7X&0Mines