Problem z skryptem gui

Oto mój kod:

Cytat

command /crafting [<text>]:
    aliases: craftingi
    trigger:
        open chest with 5 rows named "&8&lCraftingi &71/5" to player
        if inventory name of current inventory of player is "&8&lCraftingi &71/5":
            wait 2 ticks
            format slot 11 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 12 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 13 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 20 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 21 of player with 1 of diamond named "&bDiament" to be unstealable
            format slot 22 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 23 of player with ("MHF_ArrowRight" parsed as offline player)'s skull named "" to be unstealable
            format slot 24 of player with 1 49 named "&9KCuboidZ &8| &6Dzialka" with lore "&cPostaw aby zabezpieczyc teren!" to be unstealable
            format slot 29 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 30 of player with 1 of 1 named "&7Kamien" to be unstealable
            format slot 31 of player with 1 of 1 named "&7Kamien" to be unstealable
        else:
            stop

Oto błąd wyskakujący w konsoli: