Problem z tworzeniem się npc SkRayFall

Mam taki kod

command /checkAura <player>:	trigger:		create a citizen named "CHECK: %arg 1%" at location 1 block horizontally behind arg 1		set {checkAura::%arg 1%} to 5		set {checkAura::executor::%arg 1%} to sender		wait 5 tick		delete event-citizenOn damage:	{checkAura::%attacker%} is set:		name of victim is "CHECK: %attacker%":			send "&c&lGracz %attacker% jest podejrzany o KillAure!" to {checkAura::executor::%attacker%}every 1 ticks:	loop players:		{checkAura::%loop-player%} is set:			subtract 1 from {checkAura::%loop-player%}			{checkAura::%loop-player%} is 0:				delete {checkAura::%loop-player%}				delete {checkAura::executor::%loop-player%}

I nie działa wyskakuje taki błąd:

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