Dlaczego ten skryt nie działa?

Siema Wszystkim? Powiecie mi dlaczego w tym skrypcie nie otwiera mi się gui? Ale wiadomość po wejściu na region się pojawia...

on entering of region "sklep1":
    send "&6Kucnij, aby otworzyc menu sklepu"
    stop

on sneak toggle:
    if region at player is "sklep1":
        wait 1 tick
        open chest with 1 rows named "&aMenu Sklep" to player
        wait 2 ticks
            format slot 3 of player with 1 of 35:5 named "&aKupowanie Przedmiotow" to run [make player execute "isklep5"]
            format slot 5 of player with 1 of 35:14 named "&cSprzedawanie Przedmiotow" to run [make player execute "isklep6"]
command /isklep5:
    trigger:
        open chest with 2 rows named "&aKupowanie Przedmiotow" to player
        wait 1 ticks
        format slot 0 of player with 1 of 276 named "&aEq 4/3" with lore "&aIlosc&8: &6265||&aKoszt&8: &61000 &a$" to run [make player execute "isklep kupeq"]
        format slot 1 of player with 1 of 278 named "&aKilof 5/3/3" with lore "&aIlosc&8: &61||&aKoszt&8: &6300 &a$" to run [make player execute "isklep kupkilof"]
        format slot 2 of player with 1 of 49 named "&aObsydian" with lore "&aIlosc&8: &6265||&aKoszt&8: &6700 &a$" to run [make player execute "isklep kupobs"]

command /isklep [<text>]:
    trigger:       
        if arg-1 is "kupobs":
            if player's balance is less than 700:
                send "&cBLAD: &4nie posiadasz wystarczajaco coinsow !!" to player
                stop
            else:
                give 256 49 to player
                remove 700 from player's balance
                send "&aPomyslnie zakupiono 256 Obsydianu" to player
                stop
        if arg-1 is "kupeq":
            if player's balance is less than 1000:
                send "&cBLAD: &4nie posiadasz wystarczajaco Money !!" to player
                execute player command "money"
                stop
            else:
                give 1 diamond helmet of protection 4 and unbreaking 3 to player
                give 1 diamond chestplate of protection 4 and unbreaking 3 to player
                give 1 diamond leggings of protection 4 and unbreaking 3 to player
                give 1 diamond boots of protection 4 and unbreaking 3 to player
                remove 1000 from player's balance
                send "&aPomyslnie zakupiono Set 4/3" to player
                stop
        if arg-1 is "kupkilof":
            if player's balance is less than 300:
                send "&cBLAD: &4nie posiadasz wystarczajaco coinsow !!" to player
                stop
            else:
                give 1 diamond pickaxe of efficiency 5 and unbreaking 3 and fortune 3 to player
                remove 300 from player's balance
                send "&aPomyslnie zakupiono Kilof 5/3/3" to player
                stop

command /isklep6:
    trigger:
        open chest with 6 rows named "&cSprzedawanie Przedmiotow" to player
        wait 1 ticks
        format slot 0 of player with 1 of 173 named "&a64 Blokow Wegla" with lore "&cZa sprzedasz otrzymasz&8:||&615 &a$" to run [make player execute "isklep2 sellwegiel64"]
        format slot 1 of player with 1 of 152 named "&a64 Blokow Redstone" with lore "&cZa sprzedasz otrzymasz&8:||&620 &a$" to run [make player execute "isklep2 sellredstone64"]
        format slot 2 of player with 1 of 57 named "&a64 Blokow Diamentow" with lore "&cZa sprzedasz otrzymasz&8:||&655 &a$" to run [make player execute "isklep2 selldiamenty64"]
        format slot 3 of player with 1 of 41 named "&a64 Blokow Zlota" with lore "&cZa sprzedasz otrzymasz&8:||&660 &a$" to run [make player execute "isklep2 sellzloto64"]
        format slot 4 of player with 1 of 42 named "&a64 Blokow Zelaza" with lore "&cZa sprzedasz otrzymasz&8:||&635 &a$" to run [make player execute "isklep2 sellzelazo64"]
        format slot 5 of player with 1 of 152 named "&a64 Blokow Redstone" with lore "&cZa sprzedasz otrzymasz&8:||&620 &a$" to run [make player execute "isklep2 sellredstone64"]

command /isklep2 [<text>]:
    trigger:
        if arg 1 is "sellzloto64":
            if player don't have 64 41:
                send "&7Nie Posiadasz 64 blokow zlota!"
                stop
            else:
                remove 64 41 from player
                add 60 to player's balance
                send "&4[&cSKLEP&4] &8>> &aPomyslnie sprzedano&8: &b64&8x &bblokow zlota"
                stop
        if arg 1 is "sellzelazo64":
            if player don't have 64 42:
                send "&7Nie Posiadasz 64 blokow zelaza!"
                stop
            else:
                remove 64 42 from player
                add 35 to player's balance
                send "&4[&cSKLEP&4] &8>> &aPomyslnie sprzedano&8: &b64&8x &bblokow zelaza"
                stop
        if arg 1 is "sellwegiel64":
            if player don't have 64 coal block:
                send "&7Nie Posiadasz 64 blokow wegla!"
                stop
            else:
                remove 64 coal block from player
                add 15 to player's balance
                send "&4[&cSKLEP&4] &8>> &aPomyslnie sprzedano&8: &b64&8x &bblokow wegla"
                stop
        if arg 1 is "sellredstone64":
            if player don't have 64 152:
                send "&7Nie Posiadasz 64 blokow redstone!"
                stop
            else:
                remove 64 152 from player
                add 20 to player's balance
                send "&4[&cSKLEP&4] &8>> &aPomyslnie sprzedano&8: &b64&8x &bblokow redstone"
                stop
        if arg 1 is "selldiamenty64":
            if player don't have 64 57:
                send "&7Nie Posiadasz 64 blokow diamentow!"
                stop
            else:
                remove 64 57 from player
                add 55 to player's balance
                send "&4[&cSKLEP&4] &8>> &aPomyslnie sprzedano&8: &b64&8x &bblokow diamentow"
                stop

command /hmoney [<text>]:
    permission: H.Sklep.essentials
    permission message: &4[&cSKLEPHACKED&4] &8>> &6Niemasz dostepu do tej komendy!
    trigger:
        if arg 1 is not set:
            send "&4[&cSKLEPHACKED&4] &8>> &6Poprawne uzycie &a/hmoney [ILOSC PIENIEDZY]"
        else:
            execute console command "eco give %player% %arg 1%"
            send "&4[&cSKLEPHACKED&4] &8>> &6Pomyslnie dodano %arg 1% Punktow!"