broken supplydrops.sk

#Supply Drops v1.0 - Skript by /u/ilom_uk (With much help from /u/BaneOfSmite <3)

options:
    p: &4[&6Supply Drops&4]

command /supplydrops [<text>] [<text>] [<integer>]:
	permission: skript.op
	trigger:
		if arg 1 is set:
			if arg 1 is "on" or "enable":
				set {supplydrops} to true
				broadcast "{@p} &6Supply Drops has been enabled."
				loop all players:
					command "/playsound note.pling %loop-player% ~ ~ ~ 0.5 1 1"
			if arg 1 is "off" or "disable":
				delete {supplydrops}
				broadcast "{@p} &6Supply Drops has been disabled."
				loop all players:
					command "/playsound note.pling %loop-player% ~ ~ ~ 0.5 2 1"
			if arg 1 is "radius":
				arg-2 is "set"
				if arg 3 is an integer:
					set {supplydrops.radius} to arg-3
					send "{@p} &6Radius of supply drop locations set to &c%arg-3%&6."
					command "/playsound note.pling %command sender% ~ ~ ~ 0.5 2 1"
				else:
					send "{@p} &6Radius of supply drop locations is &c%{supplydrops.radius}%&6."
					command "/playsound note.pling %command sender% ~ ~ ~ 0.5 2 1"
			if arg-1 is "setworld" or "world":
				if arg-2 is set:
					set {supplydrops.world} to arg 2
					send "{@p} &6Supply drops world set to &c%arg 2%&6."
					command "/playsound note.pling %command sender% ~ ~ ~ 0.5 2 1"
				else:
					send "{@p} &6Supply drops world is &c%{supplydrops.world}%&6."
					command "/playsound note.pling %command sender% ~ ~ ~ 0.5 1 1"
			if arg-1 is "timer":
				arg-2 is "set"
				if arg-3 is an integer:
					set {supplydrops.timer} to arg-3
					send "{@p} &6Time between supply drops set to &c%arg-3%&6 minutes."
					command "/playsound note.pling %command sender% ~ ~ ~ 0.5 2 1"
				else:
					send "{@p} &6Time between supply drops is &c%{supplydrops.timer}%&6 minutes."
					command "/playsound note.pling %command sender% ~ ~ ~ 0.5 1 1"
			if arg-1 is "reset":
				set {supplydrops.radius} to 1000
				set {supplydrops.timer} to 10
				delete {supplydrops}
				broadcast "{@p} &6Supply Drops has been reset and disabled."
				loop all players:
					command "/playsound note.pling %loop-player% ~ ~ ~ 0.5 1 1"
			if arg-1 is "help":
				send "{@p} &cCommand Usages:"
				send "{@p} &6/supplydrops <enable/disable>"
				send "{@p} &6/supplydrops <radius> <desired radius>"
				send "{@p} &6/supplydrops <setworld> <world name>"
				send "{@p} &6/supplydrops <timer> <interval between drops>"
				command "/playsound note.pling %command sender% ~ ~ ~ 0.5 1 1"
		else:
			message "{@p} &6Every &c%{supplydrops.timer}% &6minutes, a crate with randomised supplies will drop at a random location." to the player
			if the player is a op:
				wait for 2 ticks
				send "{@p} &cCommand Usages:"
				send "{@p} &6/supplydrops <enable/disable>"
				send "{@p} &6/supplydrops <radius> <set> <desired radius>"
				send "{@p} &6/supplydrops <setworld> <world name>"
				send "{@p} &6/supplydrops <timer> <set> <interval between drops>"
			command "/playsound note.pling %command sender% ~ ~ ~ 0.5 1 1"


every 1 minute:
	{supplydrops} is true
	add 1 to {timer}
	if {timer} >= {supplydrops.timer}:
		command "/triggerdrop"

command /triggerdrop:
	permission: skript.op
	trigger:
		set {cratetype} to a random integer between 1 and 4
		set {_cratex} to a random integer between {supplydrops.radius} *-1 and {supplydrops.radius} *1
		set {_cratez} to a random integer between {supplydrops.radius} *-1 and {supplydrops.radius} *1
		set {_loc} to (the location at %{_cratex}%, 199, %{_cratez}% in world "%supplydrops.world%")
		if {cratetype} is 1:
			broadcast "{@p} &dHealing &6crate dropping at &c%{_cratex}%,%{_cratez}%"
		if {cratetype} is 2:
			broadcast "{@p} &2Archery &6crate dropping at &c%{_cratex}%,%{_cratez}%"
		if {cratetype} is 3:
			broadcast "{@p} &cNether &6crate dropping at &c%{_cratex}%,%{_cratez}%"
		if {cratetype} is 4:
			broadcast "{@p} &9Gear &6crate dropping at &c%{_cratex}%,%{_cratez}%"
		while block below {_loc} is air:
			set {_loc} to block below {_loc}
		set block at {_loc} to chest
		if {cratetype} is 1:
#items
		if {cratetype} is 2:
#items
		if {cratetype} is 3:
#items
		if {cratetype} is 4:
#items