Prośba o pomoc w skrypcie na kowala

options:
    linijki: 1
    nazwaPlecakaWGui: &fKowal
    
on damage:
        if name of victim contains "&2&lKowal":
            cancel event

        loop {@linijki}*9 times:
                set slot loop-number - 1 of current inventory of player to {nBackpack::%player%::%loop-number%}
        format slot 0 of player with 1 of stained glass pane named " " to be unstealable
        format slot 1 of player with 1 of stained glass pane named " " to be unstealable
        format slot 2 of player with 1 of stained glass pane named " " to be unstealable
        format slot 3 of player with 1 of anvil named "&8&lUlepszanie!" with lore " &eSzansa na pierwsze ulepszenie 90%%|| &eSzansa na drugie ulepszenie 50%%|| &eSzansa na trzecie ulepszenie 20%%" to close then run [execute player command "/plus add sharpness 8"]
        format slot 4 of player with 1 of stained glass pane named " " to be unstealable
        format slot 5 of player with 1 of torch named "&8&lDalsze poziomy!" with lore "&5Koszt &d100 000!" to close then run [execute player command "/tp %player% 100 100 100"]
        format slot 6 of player with 1 of stained glass pane named " " to be unstealable
        format slot 7 of player with 1 of stained glass pane named " " to be unstealable
        format slot 8 of player with 1 of stained glass pane named " " to be unstealable
        
on inventory close:
    if inventory name of current inventory of player is "{@nazwaPlecakaWGui}":
        clear {nBackpack::%player%::*}
        loop {@linijki}*9 times:
            set {nBackpack::%player%::%loop-number%} to slot "%loop-number - 1%" parsed as an integer of current inventory of player