Error Fixing

command /levelmanager [<text>] [<offlineplayer>] [<text>]:
	permission: staff.levelmanager
	trigger:
		if arg-1 isn't "add" or "remove" or "reset" or "set":
			send " " to player
			send "            &b&lAetherian Level Management            " to player
			send " " to player
			send "&b/levelmanager <add/remove> &8- &3Adds or removes the given number from a players level" to player
			send "&b/levelmanager <set/reset> &8- &3Sets or resets the players level" to player
			send "&3You may use these commands if you have the needed permission." to player
			send "&3Without the needed permission you may not use this command." to player
			send " " to player
		else if arg-1 is "add" or "give":
			if {level.%arg-2%} < 500:
				send "&3This player is already the max level!" to player
			if arg-3 > 0:
				add arg-3 to {level.%arg-2%}
				send "&3You have added &b%arg-3% &3to &b%arg-2%'s &3level." to player
				if {level.%arg-2%} > 500:
					set {level.%arg-2%} to 500
			else:
				send "&3You can't add 0 to %arg-2%'s level." to player
		else if arg-1 is "remove" or "take":
			if arg-3 > 0:
				remove arg-3 from {level.%arg-2%}
				send "&3You have taken &b%arg-3% &3levels from &b%arg-2%&3." to player
				if {level.%arg-2%} < 0:
					set {level.%arg-2%} to 0
			else:
				send "&3You may not remove anything lower than 0" to player
		else if arg-1 is "set":
			if arg-3 >= 500:
				if arg-3 >= 0:
					set {level.%arg-2%} to arg-3
					send "&3You have set &b%arg-2%'s &3level to &b%arg-3%&3." to player
				else:
					send "&3You may not set &b%arg-2%'s &3level to anything higher than 500 or lower than 0." to player
			else:
				send "&3You may not set &b%arg-2%'s &3level to anything higher than 500 or lower than 0." to player