on join:

    if {name.%player%} is set:

        set player's nametag to {name.%player%}

        set tablist name of player to {name.%player%}

on chat:

    if {name.%player%} is set:

        if player is op:

            set message format to "<&4%{name.%player%}%&r> %message%"

        else:

            set message format to "<%{name.%player%}%> %message%"

command /닉네임 [<string>] [<player>] [<string>] :

    trigger:

        if player is op:

            if arg 1 is "설정":

                if arg 2 is set:

                    if arg 3 is set:

                        set {name.%arg 2%} to arg 3

                        set arg 2's nametag to {name.%arg 2%}

                        set tablist name of arg 2 to {name.%arg 2%}

                        message "닉네임이 바뀌었습니다." to player

            if arg 1 is "삭제":

                if arg 2 is set:

                    delete {name.%arg 2%}

                    set arg 2's nametag to "%arg 2%"

                    set tablist name of arg 2 to "%arg 2%"

                    message "닉네임이 삭제되었습니다." to player

            if arg 1 is not set:

                message "/닉네임 설정 [플레이어] [바꿀 닉네임]" to player

                message "/닉네임 삭제 [플레이어]" to player

이렇게뜨는데 어떻게해야할까여??