Çözüldü Skript sorunsuz fakat çalışmıyor

on command:
    if command is "is":
        set {_sa} to arguments
        set {_s::*} to split {_sa} at " "
        {_s::1} is "w"
        cancel event
        if {_s::2} is not set:
            send "Kullanıcı bulunamadı"
        else:
            execute player command "is warp %{_s::2}%"

command is [<text>] [<player>]:
    trigger:
        if arg-1 is "w":
            if arg-2 isn't set:
                send "Kullanıcı bulunamadı"
            else:
                execute player command "is warp %arg-2%"

command /is [<text>] [<player>]:
    trigger:
        if arg 1 is "w":
            if arg-2 isn't set:
                send "Kullanıcı bulunamadı"
            else:
                execute player command "askyblock:is warp %arg-2%"