command /배틀타워:

    trigger:

        open chest inventory with 5 rows named "&f&l[ &b&l배틀타워 &f&l]" to player

        set {_slot} to 0

        loop 46 times:

            set slot {_slot} of current inventory of player to white stained glass pane

            add 1 to {_slot}

        set slot 13 of current inventory of player to paper named "&f&l[ &e&l도전하시겠습니까? &f&l]"

        set slot 30 of current inventory of player to lime stained glass pane named "&f&l[ &a&l예 &f&l]"

        set slot 32 of current inventory of player to red stained glass pane named "&f&l[ &c&l아니요 &f&l]"

        set {_fight} to 0

on inventory click:

    if event-inventory's name is "&f&l[ &b&l배틀타워 &f&l]":

        cancel event

    clicked slot is 30:

        if event-inventory's name is "&f&l[ &b&l배틀타워 &f&l]":

            close player's inventory

            make player run cmd "tp @s -185.5 80 243" as op

            add 1 to {_fight} 

on inventory click:

    if event-inventory's name is "&f&l[ &b&l배틀타워 &f&l]":

        if clicked slot is 30:

            if {_fight} is 1:

                send "&a&l다른 분이 사용중이십니다!" to player

    clicked slot is 32:

        if event-inventory's name is "&f&l[ &b&l배틀타워 &f&l]":

            close player's inventory

            make player run cmd "스폰" as op    

이런식으로 명령어를 쳐서

add 1 to {_fight} 해서 {_fight} 를 1로 만들고 {_fight} 가 1일때

다른 사람이 30번째 슬롯을 누르면 다른 분이 사용중이십니다! 라는 메세지가 뜨게 하고 싶은데 안되네요..제가 잘못알고있거나 틀린구문있으면 알려주실수있나요?