Sidebar na swiatach pomocy

Cześć, gry tworzę sidebar na danym swiecie skrypt wywala errory. Czy moze ktos pomoc jak to zrobic?

Kod:

every 3 seconds:
    if player's world is "world":
        loop all players:
            display board named "   &2&lTEST   " to loop-player
            make score "&7Jestes obecnie       " in board of loop-player to 1
            make score "&7Wybierz tryb gry!    " in board of loop-player to 0
            move display of loop-player to sidebar