TurboDrop problem

Napisalem taki skrypt ale on wywala bledy pomoże ktoś? Error: [Skript] Reloading turbodropall.sk... can't understand this condition: 'command /turbodropall <number> ' (turbodropall.sk, line 24: command /turbodropall <number> :') a oto skrypt: 

Variables:
  {turbodrop.all} = 0

on break of stone:
  if {turbodrop.all} is 1:
    chance of 23%:
      drop diamond block
      send "&8» &c[TurboDrop] Wydropiles blok diamentu."
    chance of 18%:
      drop gold block
      send "&8» &c[TurboDrop] Wydropiles blok zlota."
    chance of 8%:
      drop emerald block
      send "&8» &c[TurboDrop] Wydropiles blok emeraldu."
    chance of 13%:
      drop tnt
      send "&8» &c[TurboDrop] Wydropiles tnt."
    chance of 13%:
      drop iron block
      send "&8» &c[TurboDrop] Wydropiles blok zelaza."

  drop 40 exp
  
  command /turbodropall <number> :
    permission: turbodrop.all
  
  
    set {turbodrop.all} to 1
  
    broadcast "           &6&lDDos&9&lCraft&6"
    broadcast "&3&l%player% wlaczyl event na TurboDropa! Bedzie trwal jeszcze %arg 1% minut!"
    loop arg 1 times:
      wait a minute
    broadcast "           &6&lDDos&9&lCraft&6"
    broadcast "&3Event na TurboDropa sie skonczyl! :("
    set {turbodrop.all} to 0